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NB INTERSTATE 280 over 1ST ST, 2ND, 3RD

Map 

Coordinates:
+37.32500, -121.88167
37°19'30" N, 121°52'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NB INTERSTATE 280 over 1ST ST, 2ND, 3RD
Structure number:37 0279R
Location:04-SCL-280-R1.85-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.9 ft. [47.2 m]
Total length:838.3 ft. [255.5 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:91.9 ft. [28.0 m]
Vertical clearance below bridge:18.4 ft. [5.6 m]
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:6
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: 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:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:109.8 tons [99.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:81.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201581.0Not deficientVery GoodGoodGood108000
January 201381.0Not deficientGoodSatisfactoryGood108000
January 201181.0Not deficientGoodSatisfactoryGood93500
January 200978.0Structurally deficientPoorSatisfactoryGood93500
January 200778.0Structurally deficientPoorSatisfactoryGood93500
January 200578.0Structurally deficientPoorSatisfactoryGood93500
January 200376.0Structurally deficientSeriousSatisfactoryGood113500
February 200176.0Structurally deficientPoorSatisfactoryGood106900
20000.0Not applicable---13400
September 199679.0Not deficientGoodGoodGood105650
September 199479.0Not deficientGoodGoodGood105650
October 199279.0Not deficientGoodGoodGood88550
December 198979.0Not deficientGoodGoodGood88550