US 87 over RR


+45.79597, -108.46485
45°47'45" N, 108°27'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 87 over RR
Structure number:P00016000+04641
Purpose:Carries highway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:120.1 ft. [36.6 m]
Total length:267.1 ft. [81.4 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:90.9 ft. [27.7 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1993
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,480 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:96.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201696.1FairSatisfactoryGoodSatisfactory-10480
May 201491.2FairSatisfactoryGoodSatisfactory-23400
May 201291.2FairSatisfactoryGoodGood-23400
May 201091.2FairSatisfactoryGoodGood-23400
May 200891.8GoodGoodGoodGood-21760
May 200692.8GoodGoodGoodGood-19310
May 200492.2GoodGoodVery GoodVery Good-20740
March 200290.3GoodGoodVery GoodVery Good-20490
March 199991.4GoodGoodVery GoodVery Good-17520
July 199790.7GoodGoodExcellentVery Good-19590
May 199590.7GoodGoodExcellentVery Good-19590
July 199391.6GoodExcellentExcellentExcellent-17000
August 199138.6FairSatisfactorySatisfactoryFairFO16800

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.2,9362,78914700
Reinforced Concrete Decksq. ft.24,30524,305000
Reinforced Concrete Columneach1414000
Reinforced Concrete Pier Walllinear ft.1671501700
Reinforced Concrete Abutmentlinear ft.30525931150
Reinforced Concrete Pier Caplinear ft.2302191100
Assembly with Sealeach24612337086
Movable Bearingeach3331200
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach1111000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5355082700