I 70 ML EBND over US 40 ML


+39.74076, -104.73351
39°44'27" N, 104°44'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 70 ML EBND over US 40 ML
Structure number:F-18-T
Location:2.5 MI E OF JCT SH 32
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:188.7 ft. [57.5 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:1977
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,500 [as of 2011]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present desirable criteria [8]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:95.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairSatisfactorySatisfactoryGood1350095.4
July 2015FairSatisfactorySatisfactoryGood1350095.4
June 2013FairSatisfactorySatisfactoryGood1350095.4
November 2011FairSatisfactorySatisfactoryGood6760092.8
June 2009FairSatisfactorySatisfactoryGood6760092.8
June 2007FairSatisfactorySatisfactoryGood4170094.0
October 2005FairSatisfactoryGoodGood1329395.4
June 2003FairSatisfactoryGoodGood1832395.1
May 2001FairSatisfactoryGoodGood1832394.2
June 1999GoodGoodGoodGood1783195.3
March 1997GoodGoodVery GoodGood1520095.6
July 1995FairGoodVery GoodSatisfactory1520092.8
April 1993FairGoodVery GoodSatisfactory1320093.0
July 1992FairGoodVery GoodSatisfactory1320093.0
June 1990FairFairVery GoodSatisfactory645092.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,289629624360
Steel Protective Coatingsq. ft.1,2891,289000
Reinforced Concrete Decksq. ft.8,49805007,9980
Wearing Surfacessq. ft.7,9384,8383,10000
Reinforced Concrete Columneach84220
Reinforced Concrete Abutmentlinear ft.1401261040
Reinforced Concrete Pier Caplinear ft.128124400
Strip Seal Jointlinear ft.6506500
Other Jointlinear ft.6506500
Movable Bearingeach2121000
Steel Protective Coatingsq. ft.2121000
Fixed Bearingeach77000
Steel Protective Coatingsq. ft.77000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.378378000