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 

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. ratingEvaluationDeckSuper.Sub.ADT
November 201595.6Not deficientVery GoodVery GoodVery Good4000
November 201395.7Not deficientGoodVery GoodGood3000
November 201195.7Not deficientGoodVery GoodGood3000
November 200995.7Not deficientGoodVery GoodGood3000
November 200795.7Not deficientGoodVery GoodGood3000
November 200595.7Not deficientGoodVery GoodGood3000
March 200595.7Not deficientGoodVery GoodGood3000
November 200295.7Not deficientGoodVery GoodGood3000
September 200092.7Functionally obsoleteGoodVery GoodGood3000
January 199795.7Not deficientGoodVery GoodGood3000
November 199495.8Not deficientVery GoodVery GoodVery Good3000
March 199395.8Not deficientVery GoodVery GoodVery Good3000
December 199095.8Not deficientVery GoodVery GoodVery Good3000