IS 70 W over CST 12TH ST


+39.09951, -94.57252
39°05'58" N, 94°34'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 70 W over CST 12TH ST
Structure number:215
Location:S 5 T 49 N R 33 W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:63.0 ft. [19.2 m]
Total length:155.8 ft. [47.5 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:39.7 ft. [12.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1958
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:Low slump Concrete [4]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,946 [as of 2016]
Truck traffic:15% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:91.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodGoodSatisfactory1494691.3
September 2015FairGoodGoodSatisfactory1412991.3
September 2013FairGoodGoodSatisfactory1412992.3
September 2011FairGoodGoodSatisfactory1252792.4
December 2009GoodGoodGoodGood3508891.3
January 2008GoodGoodGoodGood6756389.6
November 2005FairSatisfactorySatisfactoryGood6746989.6
September 2003FairSatisfactorySatisfactoryGood6686789.7
October 2001FairSatisfactorySatisfactoryGood4878794.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.922922000
Reinforced Concrete Top Flangesq. ft.6,3316,331000
Wearing Surfacessq. ft.5,93505,93500
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.1426068140
Strip Seal Jointlinear ft.7600076
Movable Bearingeach120480
Steel Protective Coatingsq. ft.1200012
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3643442000