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


Name:ROUTE 580 over INTERSTATE 580
Structure number:33 0288
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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
August 201661.3Functionally obsoleteFairFairGood182000
August 201474.0Functionally obsoleteGoodSatisfactoryVery Good182000
September 201274.0Functionally obsoleteSatisfactoryGoodGood182000
March 201174.0Functionally obsoleteSatisfactoryGoodGood356000
August 200874.0Functionally obsoleteSatisfactoryGoodGood205000
August 200674.0Functionally obsoleteSatisfactoryGoodGood205000
October 200474.0Functionally obsoleteSatisfactoryGoodGood205000
October 200277.0Functionally obsoleteSatisfactoryGoodGood197000
October 200070.0Structurally deficientImminent FailureGoodGood192500
October 199870.0Structurally deficientImminent FailureGoodGood192500
December 199475.0Functionally obsoleteGoodGoodVery Good188100
March 199375.0Functionally obsoleteGoodGoodVery Good207100
November 198975.0Functionally obsoleteGoodGoodVery Good207100