+37.78361, -122.17833
37°47'01" N, 122°10'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:S13-E580 CONNECTOR over I 580 & CALAVERAS AVE
Structure number:33 0344F
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:159.1 ft. [48.5 m]
Total length:659.2 ft. [200.9 m]
Roadway width between curbs:37.1 ft. [11.3 m]
Deck width edge-to-edge:39.7 ft. [12.1 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:6
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: March 2015 

Status:Open, no restriction [A]
Average daily traffic:47,000 [as of 2009]
Truck traffic:2% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:72.8 tons [66.2 metric tons]
Inventory rating:44.9 tons [40.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:82.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201582.0Functionally obsoleteGoodGoodGood47000
February 201385.0Functionally obsoleteGoodGoodGood47000
March 201185.0Functionally obsoleteGoodGoodGood47000
March 200987.8Functionally obsoleteGoodGoodGood21100
March 200782.6Structurally deficientSeriousGoodGood21100
March 200582.6Structurally deficientSeriousGoodGood21100
July 200382.6Structurally deficientSeriousGoodGood21100
July 200182.6Structurally deficientSeriousGoodGood21100
July 199982.6Structurally deficientSeriousGoodGood21100
20000.0Not applicable---136000
July 199871.2Structurally deficientImminent FailureFairGood21100
May 199588.2Functionally obsoleteGoodGoodVery Good21100
June 199389.7Functionally obsoleteGoodGoodVery Good16000
November 198988.6Functionally obsoleteGoodGoodVery Good16000