N&S101- N280&N680 over I 280,I 680,US 101,STORY


+37.34000, -121.85167
37°20'24" N, 121°51'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N&S101- N280&N680 over I 280,I 680,US 101,STORY
Structure number:37 0352H
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:157.2 ft. [47.9 m]
Total length:8646.4 ft. [2635.3 m]
Roadway width between curbs:38.4 ft. [11.7 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance above deck:17.7 ft. [5.4 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1974
Year reconstructed:1982
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:48
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: February 2015 

Status:Open, no restriction [A]
Average daily traffic:40,000 [as of 1998]
Truck traffic:6% 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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:73.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201573.1Functionally obsoleteGoodGoodFair40000
February 201373.1Functionally obsoleteGoodGoodFair40000
March 201173.1Functionally obsoleteGoodGoodFair40000
March 200973.1Functionally obsoleteGoodGoodFair40000
April 200773.1Functionally obsoleteGoodGoodFair40000
March 200575.2Not deficientGoodGoodFair40000
March 200375.2Not deficientGoodFairFair40000
March 200184.8Functionally obsoleteGoodGoodGood40000
20000.0Not applicable----
March 199784.8Functionally obsoleteGoodGoodGood40000
January 199585.6Functionally obsoleteGoodGoodGood40000
March 199385.6Functionally obsoleteGoodGoodGood40000
December 198985.6Functionally obsoleteVery GoodVery GoodVery Good40000