+37.80961, -122.27656
37°48'35" N, 122°16'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:18TH ST over INTERSTATE 980
Structure number:33 0460
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:119.1 ft. [36.3 m]
Total length:237.9 ft. [72.5 m]
Roadway width between curbs:53.8 ft. [16.4 m]
Deck width edge-to-edge:69.6 ft. [21.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1973
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:2
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: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 1998]
Truck traffic:2% 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:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:80.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairFairFairGood500080.4
May 2016FairGoodSatisfactoryVery Good500092.5
May 2014FairSatisfactoryVery GoodGood500092.5
May 2012FairSatisfactoryVery GoodGood500092.5
June 2010FairSatisfactoryVery GoodGood500092.5
May 2008FairSatisfactoryVery GoodGood500092.5
May 2006FairSatisfactoryVery GoodGood500092.5
May 2004FairSatisfactoryVery GoodGood500092.5
June 2002FairSatisfactoryVery GoodGood500092.5
June 2000FairSatisfactoryVery GoodGood500092.5
June 1998PoorPoorVery GoodGood500085.5
April 1995GoodGoodGoodGood500088.6
April 1993GoodGoodGoodGood500088.6
April 1990GoodGoodGoodGood500088.6