US 50 (I-305) EB 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) EB over 6TH STREET & 8TH STREET
Structure number:24 0243R
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:88.3 ft. [26.9 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:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:80.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201580.4Not deficientVery GoodSatisfactoryGood115500
October 201380.4Not deficientGoodGoodGood115500
October 201180.4Not deficientGoodGoodGood115500
October 200978.3Structurally deficientPoorGoodGood102500
October 200778.3Structurally deficientPoorGoodGood102500
October 200578.3Structurally deficientPoorGoodGood102500
November 200480.5Not deficientFairGoodGood102500
September 200183.4Not deficientGoodGoodGood85650
January 199783.4Not deficientGoodGoodGood85650
November 199486.2Not deficientGoodGoodVery Good85700
December 199285.6Not deficientGoodGoodVery Good92900
September 199185.6Not deficientGoodGoodVery Good92900