STRUC_PASS_SO_V
Identification_Information
Spatial_Data_Organization_Information
Entity_and_Attribute_Information
Identification Information
Section Index
Citation:
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -96.632599
East Bounding Coordinate: -90.161253
North Bounding Coordinate: 43.501104
South Bounding Coordinate: 40.385474
Keywords:
Theme:
Theme Keyword Thesaurus: Roget's
Theme Keyword: roads
Theme Keyword: centerline
Theme Keyword: baserecord
Theme Keyword: highway
Theme Keyword: rail crossing
Place:
Place Keyword Thesaurus: none
Place Keyword: Iowa
Place Keyword: Adair county
Place Keyword: Adams county
Place Keyword: Allamakee county
Place Keyword: Appanoose county
Place Keyword: Audubon county
Place Keyword: Benton county
Place Keyword: Black Hawk county
Place Keyword: Boone county
Place Keyword: Bremer county
Place Keyword: Buchanan county
Place Keyword: Buena Vista county
Place Keyword: Butler county
Place Keyword: Calhoun county
Place Keyword: Carroll county
Place Keyword: Cass county
Place Keyword: Cedar county
Place Keyword: Cerro Gordo county
Place Keyword: Cherokee county
Place Keyword: Chickasaw county
Place Keyword: Clark county
Place Keyword: Clay county
Place Keyword: Clayton county
Place Keyword: Clinton county
Place Keyword: Crawford county
Place Keyword: Dallas county
Place Keyword: Davis county
Place Keyword: Decatur county
Place Keyword: Delaware county
Place Keyword: Des Moines county
Place Keyword: Dickinson county
Place Keyword: Dubuque county
Place Keyword: Emmet county
Place Keyword: Fayette county
Place Keyword: Floyd county
Place Keyword: Franklin county
Place Keyword: Fremont county
Place Keyword: Greene county
Place Keyword: Grundy county
Place Keyword: Guthrie county
Place Keyword: Hamilton county
Place Keyword: Hancock county
Place Keyword: Hardin county
Place Keyword: Harrison county
Place Keyword: Henry county
Place Keyword: Howard county
Place Keyword: Humboldt county
Place Keyword: Ida county
Place Keyword: Iowa county
Place Keyword: Jackson county
Place Keyword: Jasper county
Place Keyword: Jefferson county
Place Keyword: Johnson county
Place Keyword: Jones county
Place Keyword: Keokuk county
Place Keyword: Kossuth county
Place Keyword: Lee county
Place Keyword: Linn county
Place Keyword: Louisa county
Place Keyword: Lucas county
Place Keyword: Lyon county
Place Keyword: Madison county
Place Keyword: Mahaska county
Place Keyword: Marion county
Place Keyword: Marshall county
Place Keyword: Mills county
Place Keyword: Mitchell county
Place Keyword: Monona county
Place Keyword: Monroe county
Place Keyword: Montgomery county
Place Keyword: Muscatine county
Place Keyword: O Brien county
Place Keyword: Osceola county
Place Keyword: Page county
Place Keyword: Palo Alto county
Place Keyword: Plymouth county
Place Keyword: Pocahontas county
Place Keyword: Polk county
Place Keyword: Pottawattamie county
Place Keyword: Poweshiek county
Place Keyword: Ringgold county
Place Keyword: Sac county
Place Keyword: Scott county
Place Keyword: Shelby county
Place Keyword: Sioux county
Place Keyword: Story county
Place Keyword: Tama county
Place Keyword: Taylor county
Place Keyword: Union county
Place Keyword: Van Buren county
Place Keyword: Wapello county
Place Keyword: Waren county
Place Keyword: Washington county
Place Keyword: Wayne county
Place Keyword: Webster county
Place Keyword: Winnebago county
Place Keyword: Winneshiek county
Place Keyword: Woodbury county
Place Keyword: Worth county
Place Keyword: Wright county
Spatial Data Organization Information
Section Index
Direct Spatial Reference Method: Vector
Point and Vector Object Information:
SDTS Terms Description:
Point and Vector Object Count: 26410
Entity and Attribute Information
Section Index
Detailed Description:
Entity Type:
Entity Type Label: Captured
Attribute:
Attribute Label: ADDDATE
Attribute Definition: Date that structure was added to data using microstation 1218069.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: APPRRDWYWIDTH
Attribute Definition: This field indicates the normal width of the roadway approaching the structure and is entered to the nearest foot. This includes both shoulders, roadways and median.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 999
Attribute Units of Measure: feet
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: APPRWIDTHNE
Attribute Definition: This field indicates the approach pavement width as the normal width of pavement away from the end of the bridge prior to the beginning of the flare into the end of the bridge.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 999
Attribute Units of Measure: feet
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: APPRWIDTHSW
Attribute Definition: This field indicates the approach pavement width as the normal width of pavement away from the end of the bridge prior to the beginning of the flare into the end of the bridge.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 999
Attribute Units of Measure: feet
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: COUNTYNO
Attribute Definition: County number
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: Integer
Enumerated Domain Value Definition: County - the boundary divides two Iowa State counties.
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 1
Range Domain Maximum: 99
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 1/1/1901
Attribute Measurement Frequency: None planned
Attribute:
Attribute Label: COUNTYNUM
Attribute Definition: County number
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: Integer
Enumerated Domain Value Definition: County - the boundary divides two Iowa State counties.
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 1
Range Domain Maximum: 99
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 1/1/1901
Attribute Measurement Frequency: None planned
Attribute:
Attribute Label: DECKWIDTH
Attribute Definition: This field indicates the width of the deck to the nearest tenth of a foot. This dimension should include the out-to-out width of deck or curbs, whichever is greater.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 99.9
Attribute Units of Measure: feet
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: DEFHWYDESIG
Attribute Definition: This field is in the Struc_pass table. It indicates whether a bridge is a designated defense structure. This means that it is able to be used to transport heavy arms. Not the same as STRAHNET.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0
Enumerated Domain Value Definition: Inventory route not a defense highway
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 1
Enumerated Domain Value Definition: Inventory route is a defense highway
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 2
Enumerated Domain Value Definition: Inventory route is a defense highway that goes over or under a defense highway
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 2
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: DELDATE
Attribute Definition: The date the structure was deleted from microstation.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: DESCFEACROSS
Attribute Definition: This field describes the feature being crossed and is entered from bridge plans or maps.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Attribute Units of Measure: This is an alphanumeric field up to 25 characters long.
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: FACCARRIED
Attribute Definition: Name of facility carried on structure. This is an alphanumeric field up to fifteen characters long.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: FHWANUM
Attribute Definition: Identifies each structure with a unique number. If the structure number is 6 digits long and starts with 900, this structure is a special request structure which is not reported on NBI.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: HORIZCLEARNE
Attribute Definition: This field indicates in feet and inches the horizontal clearance of the structure roadway width.
Attribute Definition Source: Iowa DOTbase record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000 - 0 feet, 0 inches
Range Domain Maximum: 9911 - 99 feet, 11 inches
Attribute Units of Measure: feet, inches
Attribute Value Accuracy Information:
Attribute Value Accuracy Explanation: The first two digits indicate the number of feet; the last two indicate the inches.
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: HORIZCLEARSW
Attribute Definition: This field indicates in feet and inches the horizontal clearance of the structure roadway width.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000 - 0 feet, 0 inches
Range Domain Maximum: 9911 - 99 feet, 11 inches
Attribute Units of Measure: feet, inches
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: IDNUM
Attribute Definition: Key field auto generated by the system.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: JURISDIC
Attribute Definition: Indicates the jurisdictional responsibility for the segment of road.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 1
Enumerated Domain Value Definition: Iowa DOT
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 2
Enumerated Domain Value Definition: Iowa DNR
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 3
Enumerated Domain Value Definition: Iowa Dept of SS
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 4
Enumerated Domain Value Definition: Board of Regents
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 5
Enumerated Domain Value Definition: Federal Domain
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 6
Enumerated Domain Value Definition: Local
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 7
Enumerated Domain Value Definition: Iowa National Guard
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 8
Enumerated Domain Value Definition: Other State Lands
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 1
Range Domain Maximum: 8
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: KINDCROSS
Attribute Definition: This field indicates what kind of crossing the structure crosses.
Attribute Definition Source: Iowa Dot base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 01
Enumerated Domain Value Definition: Ford
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 02
Enumerated Domain Value Definition: Ferry
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 03
Enumerated Domain Value Definition: Railroad at grade
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 04
Enumerated Domain Value Definition: Over drainage
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 05
Enumerated Domain Value Definition: Over railroad
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 06
Enumerated Domain Value Definition: Over railroad and stream
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 07
Enumerated Domain Value Definition: Under railroad (simple)
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 08
Enumerated Domain Value Definition: Under railroad (combined)
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 09
Enumerated Domain Value Definition: Over park or institutional road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 10
Enumerated Domain Value Definition: Under park or institutional road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 11
Enumerated Domain Value Definition: Over private road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 12
Enumerated Domain Value Definition: Under private road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 15
Enumerated Domain Value Definition: Tunnel
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 17
Enumerated Domain Value Definition: Under pedestrian walkway
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 18
Enumerated Domain Value Definition: Side ditch
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 20
Enumerated Domain Value Definition: Over interstate
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 21
Enumerated Domain Value Definition: Under interstate
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 30
Enumerated Domain Value Definition: Over primary
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 31
Enumerated Domain Value Definition: Under primary
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 40
Enumerated Domain Value Definition: Over arterial
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 41
Enumerated Domain Value Definition: Under arterial
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 50
Enumerated Domain Value Definition: Over major collector
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 51
Enumerated Domain Value Definition: Under major collector
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 52
Enumerated Domain Value Definition: Under minor collector
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 53
Enumerated Domain Value Definition: Over minor collector
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 60
Enumerated Domain Value Definition: Over local
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 61
Enumerated Domain Value Definition: Under local
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 01
Range Domain Maximum: 61
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: LSCODE
Attribute Definition: Indicates whether the structure is an overpass or possible and underpass
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 1
Enumerated Domain Value Definition: Overpass over a road. (The are digitized in Microstation) Not on the road but across the road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 0
Enumerated Domain Value Definition: Underpass or possibly a lengthwise overpass.
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 1
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: MAINSPAN
Attribute Definition: This field indicates the number of spans in the main or major unit. This includes all spans of structure built with uniform design and unit of material.
Attribute Definition Source: Iowa Dot base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: MAINTDESC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: L
Enumerated Domain Value Definition: Left bridge, SB/WB lane of twin bridges
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: R
Enumerated Domain Value Definition: Right bridge, NB/EB lane of twin bridges
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: S
Enumerated Domain Value Definition: Single bridge on normal roadway
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: O
Enumerated Domain Value Definition: Overhead bridge, traveling under bridge
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: A
Enumerated Domain Value Definition: Ramp, loop, other non-mainline bridge
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute:
Attribute Label: MAINTMPOSTDIST
Attribute Definition: Indicates miles, in tenths, from beginning of route within the state.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: MAINTMPOSTRTE
Attribute Definition:
Entered for all bridges with a Printcode of 1 (indicating Primary).
The majority of bridges use the route number of the traffic carried on the bridge. If there is a secondary or municipal street over a primary route, the underpass route(primary) number would be used. This is entered into the Underpass/Overpass screen on the bridge form. Used when adding a new bridge.
Attribute Definition Source: Iowa Dot base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Value Accuracy Information:
Attribute Value Accuracy Explanation: If there are 2 Interstates you would use the lower interstate route number. If its 2 primary routes you would use the following hierarchy- US- State-County.
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: MAPID
Attribute Definition: GeoMedia field
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: MODDATE
Attribute Definition: The date the structure was modified.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: MSLINK
Attribute Definition: This field serves as the link between the data in all the structure tables. Does not link to the MSLINK of the road or rail tables.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Value Accuracy Information:
Attribute Value Accuracy Explanation:
To link the structure tables to the road tables, use the Countyno, jurisdic, syscode, statcode, Staterouteprefix, stateroute, statesegseq fields in the Struc_pass tables and link them with the same fields in the BRROAD_CONTROL_XY table.
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: STATCODE
Attribute Definition: Identifies the road segment as open, legal not open, proposed, or open with no data
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0
Enumerated Domain Value Definition: Open
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 1
Enumerated Domain Value Definition: Legal not open
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 2
Enumerated Domain Value Definition: Proposed
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 3
Enumerated Domain Value Definition: Existing road with no data
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 4
Enumerated Domain Value Definition: State border roads
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 5
Enumerated Domain Value Definition: Pending project completion roads
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 5
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: None planned
Attribute:
Attribute Label: STATEROUTE
Attribute Definition:
On Primary roads, the four digit field will always be the state route number with leading zeros. US30 would be 0030. On Secondary roads, the four digit field will be the township number in the first two digits and the range in the next two digits. On municipal and institutional roads the street number is assigned.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000
Range Domain Maximum: 9999
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: STATEROUTEPREFIX
Attribute Definition:
This field indicates the index. On primary and institutional roads this field will always be the number '0'. Secondary roads will be the first digit of the township. Municipal roads will be a letter that has been assigned to each city within a county.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0
Enumerated Domain Value Definition: Primary or Institutional
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: Numeric
Enumerated Domain Value Definition: First digit of township for secondary
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: Alphanumeric
Enumerated Domain Value Definition: Indicates municipal road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: STATESEGSEQ
Attribute Definition:
State Segment Sequence- On secondary roads this field will be the Section number plus the Road number with leading zero's if applicable. Section 01 and Road Number 02 would be coded 0102. For primary, municipal, and institutional roads, the sequence numbers are used to progressively order road segments by route within a county. The sequence numbers begin at the west or south county line or at the beginning of the route. Breaks in road sections are made on a route at the following points: Intersections with other roads, Intersections with corporation lines, a change in function code, a change in type section, a change in interstate traveled way, interchange ramps, a section line, a change in rural-urban lines, change in surface type,surface width or should width, a traffic volume change, a change in FHWA route number, a change in the maintenance contract on primary roads, a parking change, a rating change of two or more points, a change in federal functional class. On institutional roads, the sequence numbers begin at the entrance to the institution or at thejunction of another road in the institution and does no follow the west and south guidelines.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000
Range Domain Maximum: 9999
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: STRUCCODE
Attribute Definition: Used to indicate whether bridge record is over a feature or under a feature. Zero (0) indicating data for record over, greater than zero indicating data for record under a feature.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0
Enumerated Domain Value Definition: Roadway Over Structure
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 1
Enumerated Domain Value Definition: Major Roadway Under Structure
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 2
Enumerated Domain Value Definition: Minor Roadway Under Structure
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 3
Enumerated Domain Value Definition: Next Minor Roadway Under Structure
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 3
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: STRUCDESC
Attribute Definition: This is a text description of the structure location. Up to 50 characters.
Attribute Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: STRUCLENG
Attribute Definition:
This field indicates the length of the structure to the nearest foot. This should be the overall length of the roadway supported on the structure. This is normally the length from paving notch to paving notch, or between back faces of backwalls measured along the center line.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Attribute Units of Measure: feet
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: SYSCODE
Attribute Definition: Indicates the state assigned system for the segment of road.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 1
Enumerated Domain Value Definition: Interstate
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 2
Enumerated Domain Value Definition: U.S. Route
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 3
Enumerated Domain Value Definition: Iowa Route
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 4
Enumerated Domain Value Definition: Farm to Market Route
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 5
Enumerated Domain Value Definition: Local Road
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 1
Range Domain Maximum: 5
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: TWINDIVIDED
Attribute Definition:
This field indicates if the structure is a twin or divided bridge. Twin structures are any pair of structures that bridge the same obstacle and are separate and carrying traffic in opposite directions. A divided structure is any single structure that is divided by a median or barrier. Underpasses that are divided are considered divided structures although they may have unlimited horizontal clearance.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0
Enumerated Domain Value Definition: Not twin or divided
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: T
Enumerated Domain Value Definition: Twin
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: D
Enumerated Domain Value Definition: Divided
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: TYPEREC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0
Enumerated Domain Value Definition: All Other Mainline
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 2
Enumerated Domain Value Definition: Eastbound
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 3
Enumerated Domain Value Definition: Westbound
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 4
Enumerated Domain Value Definition: Northbound
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 5
Enumerated Domain Value Definition: Southbound
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 6
Enumerated Domain Value Definition: Ramp or Loop
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Enumerated Domain Value: 7
Enumerated Domain Value Definition: Side Ditch Bridge
Enumerated Domain Value Definition Source: Iowa DOT base record manual
Range Domain:
Range Domain Minimum: 0
Range Domain Maximum: 7
Attribute Units of Measure: assigned
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: VERTCLEAR10FT
Attribute Definition: The minimum vertical clearance for a 10 foot width of pavement where the clearance is greatest.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000 - 0 feet, 0 inches
Range Domain Maximum: 9911 - 99 feet, 11 inches
Attribute Units of Measure: feet, inches
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: VERTCLEARNE
Attribute Definition: This field indicates in feet and inches the vertical clearance of the structure roadway width.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000 - 0 feet, 0 inches
Range Domain Maximum: 9911 - 99 feet, 11 inches
Attribute Units of Measure: feet, inches
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
Attribute:
Attribute Label: VERTCLEARSW
Attribute Definition: This field indicates in feet and inches the vertical clearance of the structure roadway width.
Attribute Definition Source: Iowa DOT base record manual
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 0000 - 0 feet, 0 inches
Range Domain Maximum: 9911 - 99 feet, 11 inches
Attribute Units of Measure: feet, inches
Beginning Date of Attribute Values: 8/1/1999
Attribute Measurement Frequency: As needed
GeoMedia
Catalog report generated Thursday, August 10, 2006