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I 280-680 over U.S. HIGHWAY 101

Map

Coordinates:
+37.34000, -121.85167
37°20'24" N, 121°51'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 280-680 over U.S. HIGHWAY 101
Structure number:37 0285L
Location:04-SCL-680-M0.01-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.9 ft. [32.9 m]
Total length:272.0 ft. [82.9 m]
Roadway width between curbs:67.3 ft. [20.5 m]
Deck width edge-to-edge:69.2 ft. [21.1 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:
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: July 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:80,000 [as of 2009]
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:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:100.1 tons [91.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:93.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201593.0GoodVery GoodVery GoodVery Good-80000
July 201393.0GoodGoodVery GoodGood-80000
July 201193.0GoodGoodVery GoodGood-80000
July 200994.0FairFairVery GoodGood-93500
July 200794.0FairFairVery GoodGood-93500
August 200595.0GoodGoodVery GoodGood-93500
July 200395.0GoodGoodVery GoodGood-93500
July 200193.0GoodGoodVery GoodGood-89500
May 199993.0GoodGoodVery GoodGood-89500
August 199593.0GoodGoodGoodGood-87800
July 199393.0GoodGoodGoodGood-62050
February 199193.0GoodGoodGoodGood-62050

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.8383000
Deck
Reinforced Concrete Top Flangesq. ft.1,7501,750000
Concrete Protective Coatingsq. ft.1,7001,700000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.4242000
Reinforced Concrete Pileeach11000
Bridge Rail
Other Material Bridge Raillinear ft.178172600