US 71 N over CST 12TH ST


+39.09953, -94.57212
39°05'58" N, 94°34'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 71 N over CST 12TH ST
Structure number:216
Old structure number:A08062 2 (from 1992 edition)
Location:S 5 T 49 N R 33 W
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:66.9 ft. [20.4 m]
Total length:164.1 ft. [50.0 m]
Roadway width between curbs:37.1 ft. [11.3 m]
Deck width edge-to-edge:39.7 ft. [12.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1984
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:38,171 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:76.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$735,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairFairFairGood3817176.3
September 2015FairFairFairVery Good3594576.7
September 2013FairFairFairVery Good3594576.7
September 2011FairFairFairVery Good3519474.8
December 2009FairFairFairVery Good3550874.8
January 2008FairFairFairVery Good4984972.2
November 2005FairFairFairVery Good4549073.0
September 2003FairFairFairVery Good4508473.1
October 2001FairFairFairVery Good6430174.3
September 1999FairSatisfactorySatisfactoryVery Good2124989.9
December 1991GoodGoodGoodGood365093.1
November 1991GoodGoodGoodVery Good2507094.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.94867327500
Reinforced Concrete Top Flangesq. ft.6,5375,864653200
Wearing Surfacessq. ft.6,2013,4012,5003000
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.1601402000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3923177500