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I 280 N, AL 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 N, AL LINE over 280/101 INTERCHANGE
Structure number:34 0132R
Location:04-SF-280-R4.16R-SF
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:99.1 ft. [30.2 m]
Total length:1140.1 ft. [347.5 m]
Roadway width between curbs:31.5 ft. [9.6 m]
Deck width edge-to-edge:35.8 ft. [10.9 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1996
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: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:Good
Status:Open, no restriction [A]
Average daily traffic:170,000 [as of 2009]
Truck traffic:1% of total traffic
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:73.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201673.0GoodGoodGoodGood-170000
March 201473.0GoodGoodGoodGood-170000
March 201273.0GoodGoodGoodGood-170000
March 201071.0GoodGoodGoodGoodFO80000
March 200866.0PoorSeriousGoodGoodSD80000
March 200666.0PoorSeriousGoodGoodSD80000
March 200466.0PoorSeriousGoodGoodSD80000
February 200272.0PoorSeriousGoodGoodSD80000
November 199972.0PoorSeriousGoodSatisfactorySD80000