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NB I-280 OFF-RAMP over I-280 & RACE STREET

Map 

Coordinates:
+37.31500, -121.91028
37°18'54" N, 121°54'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NB I-280 OFF-RAMP over I-280 & RACE STREET
Structure number:37 0259S
Location:04-SCL-280-R3.87-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:159.5 ft. [48.6 m]
Total length:833.0 ft. [253.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:40°
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 / HS 20 [5]
Number of main spans:2
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: February 2015 

Status:Open, no restriction [A]
Average daily traffic:11,900 [as of 2002]
Truck traffic:2% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge not over waterway. [N]
Operating rating:107.6 tons [97.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:96.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201596.3Not deficientVery GoodGoodGood11900
February 201396.3Not deficientGoodGoodGood11900
February 201196.3Not deficientGoodGoodGood11900
February 200996.3Not deficientGoodGoodGood11900
March 200795.3Not deficientFairGoodGood11900
March 200595.3Not deficientFairGoodGood11900
January 200393.5Structurally deficientPoorGoodGood10000
April 200191.5Structurally deficientSeriousGoodGood10000
February 199987.4Structurally deficientSeriousGoodGood10000
20000.0Not applicable---8300
September 199690.4Functionally obsoleteGoodGoodGood10000
September 199490.3Functionally obsoleteGoodGoodGood10000
October 199290.3Functionally obsoleteGoodGoodGood10000
December 198990.3Functionally obsoleteGoodGoodGood10000