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ALUM ROCK AVE RAMP over S680-CAPITOL XPWY RAMP

Map

Coordinates:
+37.35833, -121.84000
37°21'30" N, 121°50'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:ALUM ROCK AVE RAMP over S680-CAPITOL XPWY RAMP
Structure number:37 0289F
Location:04-SCL-680-M1.55-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:142.1 ft. [43.3 m]
Total length:285.1 ft. [86.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1974
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:3
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: April 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:14,400 [as of 2003]
Truck traffic:2% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:109.8 tons [99.8 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:95.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201695.3GoodVery GoodVery GoodVery Good-14400
July 201495.3GoodGoodGoodGood-14400
June 201294.3FairFairGoodGood-14400
July 201094.3FairFairGoodGood-14400
June 200894.3FairFairGoodGood-14400
June 200694.3FairFairGoodGood-14400
May 200494.6FairFairGoodGood-8700
October 200299.0FairSatisfactoryVery GoodGood-8700
July 200099.0FairSatisfactoryVery GoodGood-8700
November 199899.0FairSatisfactoryVery GoodGood-8700
June 199698.0FairFairVery GoodGood-8700
June 199499.0GoodVery GoodVery GoodVery Good-7900
June 199299.0GoodVery GoodVery GoodVery Good-6000
December 198999.0GoodVery GoodVery GoodVery Good-6000