US 71 N over CST 12TH ST


+39.09958, -94.57259
39°05'58" N, 94°34'21" 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:13.8 ft. [4.2 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 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35,945 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Very Good [8 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]
Operating rating:75.2 tons [68.4 metric tons]
Inventory rating:45.5 tons [41.4 metric tons]
Sufficiency rating:76.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$735,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201576.7FairFairFairVery GoodFO35945
September 201376.7FairFairFairVery GoodFO35945
September 201174.8FairFairFairVery GoodFO35194
December 200974.8FairFairFairVery GoodFO35508
January 200872.2FairFairFairVery GoodFO49849
November 200573.0FairFairFairVery GoodFO45490
September 200373.1FairFairFairVery GoodFO45084
October 200174.3FairFairFairVery Good-64301
September 199989.9FairSatisfactorySatisfactoryVery GoodFO21249
December 199193.1GoodGoodGoodGood-3650
November 199194.2GoodGoodGoodVery Good-25070