SR 4 EB over E4-N5, W4-S5 CONN RAMPS


+37.94791, -121.30173
37°56'52" N, 121°18'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 4 EB over E4-N5, W4-S5 CONN RAMPS
Structure number:29 0235R
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:105.0 ft. [32.0 m]
Total length:502.0 ft. [153.0 m]
Roadway width between curbs:50.5 ft. [15.4 m]
Deck width edge-to-edge:52.5 ft. [16.0 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:50°
Owner:State Highway Agency [01]
Year built:1972
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:6
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: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,900 [as of 2009]
Truck traffic:11% 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodGoodFair790083.7
August 2015GoodGoodVery GoodGood790094.9
August 2013PoorGoodGoodPoor790067.4
June 2011FairGoodGoodSatisfactory790094.9
September 2010FairGoodGoodSatisfactory1060094.5
September 2008PoorPoorGoodSatisfactory1060090.4
February 2006PoorPoorGoodSatisfactory1060092.4
January 2004PoorPoorGoodGood2720090.0
April 2002PoorPoorGoodGood2720090.0
September 1996GoodGoodGoodGood675097.1
August 1994GoodVery GoodVery GoodVery Good675097.0
September 1990GoodVery GoodVery GoodVery Good1455097.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.153153000
Reinforced Concrete Top Flangesq. ft.2,5092,4317800
Concrete Protective Coatingsq. ft.2,3872,387000
Reinforced Concrete Columneach1511040
Reinforced Concrete Abutmentlinear ft.7774300
Reinforced Concrete Pileeach22000
Strip Seal Jointlinear ft.2525000
Compression Jointlinear ft.76571900
Enclosed/Concealed Bearingeach10100
Bridge Rail
Other Material Bridge Raillinear ft.306304020