Share:

ROUTE 580 over INTERSTATE 580

Map 

Coordinates:
+37.81833, -122.25167
37°49'06" N, 122°15'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ROUTE 580 over INTERSTATE 580
Structure number:33 0288
Location:04-ALA-580-44.28-OAK
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:121.1 ft. [36.9 m]
Total length:430.1 ft. [131.1 m]
Roadway width between curbs:135.8 ft. [41.4 m]
Deck width edge-to-edge:140.4 ft. [42.8 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1961
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:4
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: August 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:182,000 [as of 2009]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:43.9 tons [39.9 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:61.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$9,441,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201661.3FairFairFairGoodFO182000
August 201474.0FairGoodSatisfactoryVery GoodFO182000
September 201274.0FairSatisfactoryGoodGoodFO182000
March 201174.0FairSatisfactoryGoodGoodFO356000
August 200874.0FairSatisfactoryGoodGoodFO205000
August 200674.0FairSatisfactoryGoodGoodFO205000
October 200474.0FairSatisfactoryGoodGoodFO205000
October 200277.0FairSatisfactoryGoodGoodFO197000
October 200070.0PoorImminent FailureGoodGoodSD192500
October 199870.0PoorImminent FailureGoodGoodSD192500
December 199475.0GoodGoodGoodVery GoodFO188100
March 199375.0GoodGoodGoodVery GoodFO207100
November 198975.0GoodGoodGoodVery GoodFO207100