+37.32833, -121.89333
37°19'42" N, 121°53'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I280-N87 & N87-OFF over CITY STRS & GUADALUPE RV
Structure number:37 0410H
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:188.0 ft. [57.3 m]
Total length:1788.5 ft. [545.1 m]
Roadway width between curbs:50.5 ft. [15.4 m]
Deck width edge-to-edge:54.1 ft. [16.5 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1988
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:11
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: January 2015 

Status:Open, no restriction [A]
Average daily traffic:14,500 [as of 1998]
Truck traffic:2% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:95.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201595.6Not deficientVery GoodVery GoodGood14500
January 201395.6Not deficientGoodVery GoodSatisfactory14500
January 201195.6Not deficientGoodVery GoodSatisfactory14500
January 200995.6Not deficientGoodVery GoodSatisfactory14500
January 200792.6Structurally deficientPoorVery GoodSatisfactory14500
January 200592.6Structurally deficientPoorVery GoodSatisfactory14500
January 200395.6Not deficientSatisfactoryVery GoodSatisfactory14500
March 200195.6Not deficientSatisfactoryVery GoodSatisfactory14500
February 200195.6Not deficientSatisfactoryVery GoodSatisfactory14500
20000.0Not applicable---6880
June 199894.6Not deficientFairVery GoodGood14500
November 199593.6Not deficientGoodVery GoodGood14500
September 199393.8Not deficientGoodGoodGood14500
July 199198.9Not deficientVery GoodVery GoodVery Good14500