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SB INTERSTATE 280 over 7TH STREET, ON-RAMP

Map 

Coordinates:
+37.32833, -121.87500
37°19'42" N, 121°52'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SB INTERSTATE 280 over 7TH STREET, ON-RAMP
Structure number:37 0280L
Location:04-SCL-280-R1.55-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:138.5 ft. [42.2 m]
Total length:607.0 ft. [185.0 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:24°
Owner:State Highway Agency [01]
Year built:1972
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:5
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:108,000 [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:Meets minimum tolerable limits to be left in place as is [4]
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:90.9 tons [82.6 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:79.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201579.0Not deficientVery GoodVery GoodVery Good108000
January 201379.0Not deficientGoodVery GoodGood108000
January 201179.0Not deficientGoodVery GoodGood105200
January 200976.0Structurally deficientPoorVery GoodGood105200
January 200776.0Structurally deficientPoorVery GoodGood105200
January 200576.0Structurally deficientPoorVery GoodGood105200
January 200381.1Not deficientFairVery GoodGood96500
February 200179.0Not deficientSatisfactoryVery GoodGood106900
September 199664.0Functionally obsoleteGoodVery GoodGood106900
September 199464.0Functionally obsoleteGoodGoodGood105650
October 199264.0Functionally obsoleteGoodGoodGood88550
December 198964.0Functionally obsoleteGoodGoodVery Good88550