S101-S280 CONNECTO over 280/101 IC -ALEMANY BLVD


+37.73222, -122.40500
37°43'56" N, 122°24'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S101-S280 CONNECTO over 280/101 IC -ALEMANY BLVD
Structure number:34 0071F
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:100.1 ft. [30.5 m]
Total length:1256.0 ft. [382.8 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:37.7 ft. [11.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1960
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:14
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:56,000 [as of 2010]
Truck traffic:4% 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:66.7 tons [60.6 metric tons]
Sufficiency rating:86.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201686.0GoodVery GoodVery GoodVery Good-56000
January 201484.9GoodGoodGoodGood-56000
February 201284.9GoodGoodGoodGood-56000
December 200984.9GoodGoodGoodGood-56000
February 200884.9GoodGoodGoodGood-56000
January 200686.9GoodGoodGoodGood-56000
January 200486.9GoodGoodGoodGood-56000
January 200280.3GoodGoodGoodGoodFO56000
April 200080.3GoodGoodGoodGoodFO56000
September 199879.2GoodGoodGoodGoodFO56000
May 199679.2GoodGoodGoodGoodFO56000
May 199487.7GoodGoodGoodGood-40500
January 199287.7GoodGoodGoodGood-40500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.383383000
Reinforced Concrete Top Flangesq. ft.4,3604,3293010
Concrete Protective Coatingsq. ft.3,9243,924000
Reinforced Concrete Columneach1919000
Reinforced Concrete Abutmentlinear ft.2929000
Steel Pileeach11000
Reinforced Concrete Pier Caplinear ft.1111000
Compression Jointlinear ft.8888000
Movable Bearingeach1616000
Enclosed/Concealed Bearingeach44000
Bridge Rail
Other Material Bridge Raillinear ft.39534530200