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N17-N280 CONNECTOR over INTERSTATE 280 & RAMPS

Map

Coordinates:
+37.31667, -121.94000
37°19'00" N, 121°56'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:N17-N280 CONNECTOR over INTERSTATE 280 & RAMPS
Structure number:37 0131G
Location:04-SCL-017-13.93-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:99.1 ft. [30.2 m]
Total length:194.9 ft. [59.4 m]
Roadway width between curbs:27.2 ft. [8.3 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1971
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:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,500 [as of 2009]
Truck traffic:2% of total traffic
Deck condition:Fair [5 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:69.5 tons [63.2 metric tons]
Inventory rating:41.7 tons [37.9 metric tons]
Sufficiency rating:69.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$888,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201669.4FairFairGoodGoodFO33500
July 201270.5FairSatisfactoryGoodGoodFO33500
July 201069.8FairSatisfactorySatisfactoryGoodFO33500
July 200866.5PoorPoorSatisfactoryGoodSD33500
July 200666.5PoorPoorSatisfactoryGoodSD33500
July 200469.8FairSatisfactorySatisfactoryGoodFO33500
July 200269.8FairGoodSatisfactoryGoodFO33500
September 200069.8FairGoodSatisfactoryGoodFO33500
September 199669.8GoodGoodGoodGoodFO33500
August 199469.5GoodGoodGoodGoodFO33500
September 199268.8GoodVery GoodVery GoodVery GoodFO26000
November 198968.8GoodVery GoodVery GoodVery GoodFO26000