+37.32833, -121.87167
37°19'42" N, 121°52'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:INTERSTATE 280 over 10TH & 11TH STREET
Structure number:37 0281
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:114.2 ft. [34.8 m]
Total length:339.6 ft. [103.5 m]
Roadway width between curbs:160.1 ft. [48.8 m]
Deck width edge-to-edge:164.1 ft. [50.0 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1972
Year reconstructed:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:238,000 [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:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:97.7 tons [88.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:94.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201594.0Not deficientVery GoodVery GoodVery Good238000
January 201394.0Not deficientGoodVery GoodGood238000
January 201194.0Not deficientGoodVery GoodGood203000
January 200993.0Not deficientFairVery GoodGood203000
January 200793.0Not deficientFairVery GoodGood203000
January 200593.0Not deficientFairVery GoodGood203000
January 200395.0Not deficientFairVery GoodGood213000
February 200197.0Not deficientSatisfactoryVery GoodGood112000