51ST ST over U.S. HIGHWAY 50


+38.55667, -121.44333
38°33'24" N, 121°26'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:51ST ST over U.S. HIGHWAY 50
Structure number:24 0315
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:120.1 ft. [36.6 m]
Total length:236.9 ft. [72.2 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:51.8 ft. [15.8 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1971
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:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,000 [as of 2012]
Truck traffic:8% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present minimum criteria [6]
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]
Operating rating:96.6 tons [87.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:95.6

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201595.6GoodVery GoodVery GoodVery Good-4000
November 201395.7GoodGoodVery GoodGood-3000
November 201195.7GoodGoodVery GoodGood-3000
November 200995.7GoodGoodVery GoodGood-3000
November 200795.7GoodGoodVery GoodGood-3000
November 200595.7GoodGoodVery GoodGood-3000
March 200595.7GoodGoodVery GoodGood-3000
November 200295.7GoodGoodVery GoodGood-3000
September 200092.7GoodGoodVery GoodGoodFO3000
January 199795.7GoodGoodVery GoodGood-3000
November 199495.8GoodVery GoodVery GoodVery Good-3000
March 199395.8GoodVery GoodVery GoodVery Good-3000
December 199095.8GoodVery GoodVery GoodVery Good-3000