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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:129.3 ft. [39.4 m]
Deck width edge-to-edge:133.9 ft. [40.8 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 2015 

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:Very Good [8 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. ratingEvaluationDeckSuper.Sub.ADT
February 201596.0Not deficientGoodGoodVery Good203000
February 201384.0Not deficientFairFairGood203000
February 201186.0Not deficientFairFairGood190000
February 200986.0Not deficientFairFairGood190000
February 200787.0Not deficientGoodFairGood190000
January 200593.0Structurally deficientSeriousGoodGood190000
February 200393.0Structurally deficientSeriousGoodGood190000
February 200183.0Structurally deficientSeriousFairGood157200
20000.0Not applicable----
June 199880.0Structurally deficientSeriousFairGood157200
April 199597.0Not deficientGoodGoodGood176300
April 199397.0Not deficientGoodGoodGood161900
February 199197.0Not deficientGoodGoodGood161900