N&S I280 - N&S 87 over I 280 & SR 87, ST & RMPS


+37.32333, -121.89167
37°19'24" N, 121°53'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N&S I280 - N&S 87 over I 280 & SR 87, ST & RMPS
Structure number:37 0270H
Purpose:Carries highway overpass (fourth level) over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:160.1 ft. [48.8 m]
Total length:2038.2 ft. [621.2 m]
Roadway width between curbs:41.0 ft. [12.5 m]
Deck width edge-to-edge:41.0 ft. [12.5 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1971
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:41
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 2015 

Status:Open, no restriction [A]
Average daily traffic:41,400 [as of 1998]
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:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 assessed or calculated scour condition. [5]
Operating rating:109.8 tons [99.8 metric tons]
Inventory rating:94.8 tons [86.2 metric tons]
Sufficiency rating:89.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201589.0Not deficientVery GoodVery GoodVery Good41400
January 201389.0Not deficientGoodGoodGood41400
January 201189.0Not deficientGoodGoodGood41400
January 200989.0Not deficientGoodGoodGood41400
January 200789.0Not deficientGoodGoodGood41400
January 200585.9Structurally deficientPoorGoodGood41400
January 200361.0Functionally obsoleteFairGoodGood41400
February 200162.0Functionally obsoleteGoodGoodGood41400
20000.0Not applicable---228000
September 199662.0Functionally obsoleteGoodGoodGood41400
September 199462.0Functionally obsoleteGoodVery GoodVery Good41400
October 199264.0Functionally obsoleteGoodVery GoodVery Good129000
December 198983.0Not deficientGoodVery GoodVery Good129000