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