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INTERSTATE 880 over JACKSON, MADISON, OAK

Map 

Coordinates:
+37.79556, -122.26750
37°47'44" N, 122°16'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:INTERSTATE 880 over JACKSON, MADISON, OAK
Structure number:33 0198
Location:04-ALA-880-31.07-OAK
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:76.1 ft. [23.2 m]
Total length:955.1 ft. [291.1 m]
Roadway width between curbs:130.6 ft. [39.8 m]
Deck width edge-to-edge:132.6 ft. [40.4 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1985
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:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2017 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:203,000 [as of 2009]
Truck traffic:14% 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:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:64.9 tons [59.0 metric tons]
Inventory rating:39.2 tons [35.6 metric tons]
Sufficiency rating:96.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201796.0GoodGoodGoodGood-203000
February 201596.0GoodGoodGoodVery Good-203000
February 201384.0FairFairFairGood-203000
February 201186.0FairFairFairGood-190000
February 200986.0FairFairFairGood-190000
February 200787.0FairGoodFairGood-190000
January 200593.0PoorSeriousGoodGoodSD190000
February 200393.0PoorSeriousGoodGoodSD190000
February 200183.0PoorSeriousFairGoodSD157200
June 199880.0PoorSeriousFairGoodSD157200
April 199597.0GoodGoodGoodGood-176300
April 199397.0GoodGoodGoodGood-161900
February 199197.0GoodGoodGoodGood-161900