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


+38.56664, -121.50557
38°33'60" N, 121°30'20" 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:103.0 ft. [31.4 m]
Total length:923.9 ft. [281.6 m]
Roadway width between curbs:88.3 ft. [26.9 m]
Deck width edge-to-edge:90.2 ft. [27.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:115,500 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Sufficiency rating:68.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodFairGood11550068.0
October 2015FairVery GoodSatisfactoryGood11550080.4
October 2013GoodGoodGoodGood11550080.4
October 2011GoodGoodGoodGood11550080.4
October 2009PoorPoorGoodGood10250078.3
October 2007PoorPoorGoodGood10250078.3
October 2005PoorPoorGoodGood10250078.3
November 2004FairFairGoodGood10250080.5
September 2001GoodGoodGoodGood8565083.4
January 1997GoodGoodGoodGood8565083.4
November 1994GoodGoodGoodVery Good8570086.2
December 1992GoodGoodGoodVery Good9290085.6
September 1991GoodGoodGoodVery Good9290085.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.282028200
Reinforced Concrete Top Flangesq. ft.8,3308,3181200
Concrete Protective Coatingsq. ft.8,1588,158000
Reinforced Concrete Columneach2424000
Reinforced Concrete Abutmentlinear ft.5548700
Prestressed Concrete Pileeach11000
Strip Seal Jointlinear ft.3030000
Compression Jointlinear ft.5959000
Enclosed/Concealed Bearingeach33000
Bridge Rail
Other Material Bridge Raillinear ft.563563000