US 50 (I-305) WB over 6TH STREET & 8TH STREET


+38.56667, -121.50333
38°34'00" N, 121°30'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 50 (I-305) WB over 6TH STREET & 8TH STREET
Structure number:24 0243L
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:102.0 ft. [31.1 m]
Total length:923.9 ft. [281.6 m]
Roadway width between curbs:87.9 ft. [26.8 m]
Deck width edge-to-edge:89.9 ft. [27.4 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1967
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:9
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2015 

Status:Open, no restriction [A]
Average daily traffic:115,500 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:88.8 tons [80.7 metric tons]
Inventory rating:53.5 tons [48.6 metric tons]
Sufficiency rating:84.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201584.9Not deficientVery GoodVery GoodGood115500
October 201372.2Not deficientGoodFairGood115500
October 201186.0Not deficientGoodGoodGood115500
October 200983.9Structurally deficientPoorGoodGood102500
October 200781.7Structurally deficientSeriousGoodGood102500
October 200581.7Structurally deficientSeriousGoodGood102500
November 200486.2Not deficientFairGoodGood102500
September 200188.9Not deficientGoodGoodGood85650
January 199788.9Not deficientGoodGoodGood85650
November 199491.6Not deficientGoodGoodVery Good85700
December 199291.0Not deficientGoodGoodVery Good92900
September 199191.0Not deficientGoodGoodVery Good92900