INTERSTATE 580 over ST RTE 24-I 980


+37.82436, -122.26777
37°49'28" N, 122°16'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:INTERSTATE 580 over ST RTE 24-I 980
Structure number:33 0298
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:99.1 ft. [30.2 m]
Total length:278.6 ft. [84.9 m]
Roadway width between curbs:122.1 ft. [37.2 m]
Deck width edge-to-edge:126.6 ft. [38.6 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:1969
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:3
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 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:174,000 [as of 2009]
Truck traffic:2% of total traffic
Deck condition:Good [7 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:Equal to present minimum criteria [6]
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]
Sufficiency rating:62.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodFairGood17400062.0
August 2016FairGoodFairGood17400062.0
August 2014FairVery GoodSatisfactoryVery Good17400073.0
September 2012GoodGoodGoodGood17400073.0
March 2011GoodGoodGoodGood39400075.0
August 2008GoodGoodGoodGood20500075.0
August 2006FairGoodSatisfactoryGood20500075.0
December 2004FairGoodSatisfactoryGood20500075.0
October 2002FairGoodSatisfactoryGood19700076.0
October 2000PoorSeriousSatisfactoryGood19250071.0
October 1998PoorSeriousGoodGood19250071.0
December 1994GoodGoodGoodGood28370076.0
March 1993GoodGoodGoodGood25000076.0
November 1989GoodGoodGoodGood25000076.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.1762515010
Reinforced Concrete Top Flangesq. ft.4,1504,150000
Concrete Protective Coatingsq. ft.3,5003,500000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.8080000
Reinforced Concrete Pileeach11000
Pourable Jointlinear ft.118118000
Compression Jointlinear ft.3939000
Movable Bearingeach1818000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8888000
Other Material Bridge Raillinear ft.2001445060