+37.35833, -121.83833
37°21'30" N, 121°50'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N680-E&W130 over CAPITOL EXP,CAPITOL-N680
Structure number:37 0288G
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:96.1 ft. [29.3 m]
Total length:379.9 ft. [115.8 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:16.1 ft. [4.9 m]
Skew angle:13°
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 / HS 20 [5]
Number of main spans:4
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:10,600 [as of 2009]
Truck traffic:3% 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:92.6 tons [84.2 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:97.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201597.0GoodVery GoodVery GoodVery Good-10600
July 201397.0GoodGoodVery GoodGood-10600
July 201197.0GoodGoodVery GoodGood-10600
July 200994.0PoorPoorVery GoodGoodSD10600
July 200794.0PoorPoorVery GoodGoodSD10600
August 200594.0PoorPoorVery GoodGoodSD10600
July 200394.0PoorPoorVery GoodGoodSD10600
July 200197.0FairSatisfactoryVery GoodGood-10600
May 199994.0GoodGoodVery GoodGoodFO10600
August 199596.0GoodGoodGoodGoodFO10600
July 199396.0GoodGoodGoodGoodFO7000
March 199196.0GoodGoodGoodGoodFO7000

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.116116000
Reinforced Concrete Top Flangesq. ft.916916000
Concrete Protective Coatingsq. ft.846846000
Reinforced Concrete Columneach33000
Reinforced Concrete Abutmentlinear ft.1616000
Reinforced Concrete Pileeach11000
Compression Jointlinear ft.1531200
Movable Bearingeach88000
Bridge Rail
Other Material Bridge Raillinear ft.244243100