SD073 over FLAT CK


+45.77773, -102.17655
45°46'40" N, 102°10'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD073 over FLAT CK
Structure number:000000053380119
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:41.3 ft. [12.6 m]
Total length:116.1 ft. [35.4 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:38.7 ft. [11.8 m]
Owner:State Highway Agency [01]
Year built:1995
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:688 [as of 2017]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:91.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood68891.8
June 2015GoodGoodGoodGood76891.3
June 2011GoodGoodGoodGood67391.9
June 2007GoodGoodGoodGood53592.9
July 2003GoodGoodGoodGood65592.1
October 2001GoodGoodGoodGood62192.3
November 1999GoodGoodGoodGood68189.9
November 1997GoodVery GoodGoodGood75589.4
June 1996GoodExcellentExcellentExcellent82488.9
July 1994PoorPoorSatisfactoryGood84545.4
July 1992FairSatisfactorySatisfactoryGood55049.3
December 1990FairGoodSatisfactoryGood97047.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.9493100
Reinforced Concrete Pier Caplinear ft.7676000
Strip Seal Jointlinear ft.7600760
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2331785500
Reinforced Concrete Slabsq. ft.4,5054,4782430
Wearing Surfacessq. ft.4,1944,194000