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I 280 S, AU LINE over 280/101 INTERCHANGE

Map

Coordinates:
+37.76833, -122.40667
37°46'06" N, 122°24'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I 280 S, AU LINE over 280/101 INTERCHANGE
Structure number:34 0131L
Location:04-SF-280-R4.18L-SF
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:96.1 ft. [29.3 m]
Total length:1154.9 ft. [352.0 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:13
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: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:80,000 [as of 2010]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:83.4 tons [75.8 metric tons]
Inventory rating:50.3 tons [45.7 metric tons]
Sufficiency rating:74.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,316,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201674.0FairGoodSatisfactoryGoodFO80000
March 201474.0FairGoodSatisfactoryGoodFO80000
March 201274.0FairGoodSatisfactoryGoodFO80000
March 201074.0FairGoodSatisfactoryGoodFO80000
March 200869.0PoorSeriousSatisfactoryGoodSD80000
March 200669.0PoorSeriousSatisfactoryGoodSD80000
March 200469.0PoorSeriousSatisfactoryGoodSD80000
February 200269.0PoorSeriousSatisfactoryGoodSD80000
November 199973.0PoorSeriousGoodGoodSD80000