+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:76.4 ft. [23.3 m]
Deck width edge-to-edge:83.7 ft. [25.5 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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,500 [as of 1998]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:84.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201784.4FairGoodGoodFair-14500
January 201595.6GoodVery GoodVery GoodGood-14500
January 201395.6FairGoodVery GoodSatisfactory-14500
January 201195.6FairGoodVery GoodSatisfactory-14500
January 200995.6FairGoodVery GoodSatisfactory-14500
January 200792.6PoorPoorVery GoodSatisfactorySD14500
January 200592.6PoorPoorVery GoodSatisfactorySD14500
January 200395.6FairSatisfactoryVery GoodSatisfactory-14500
March 200195.6FairSatisfactoryVery GoodSatisfactory-14500
February 200195.6FairSatisfactoryVery GoodSatisfactory-14500
June 199894.6FairFairVery GoodGood-14500
November 199593.6GoodGoodVery GoodGood-14500
September 199393.8GoodGoodGoodGood-14500
July 199198.9GoodVery GoodVery GoodVery Good-14500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Closed Web/Box Girderlinear ft.630629100
Reinforced Concrete Top Flangesq. ft.9,5809,580000
Concrete Protective Coatingsq. ft.9,2959,295000
Reinforced Concrete Columneach1401310
Reinforced Concrete Abutmentlinear ft.4444000
Strip Seal Jointlinear ft.9797000
Pourable Jointlinear ft.4242000
Elastomeric Bearingeach1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,4661,466000