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I-5 (HWY 001) CON over SHERIDAN ST

Map 

Coordinates:
+45.50504, -122.67623
45°30'18" N, 122°40'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-5 (HWY 001) CON over SHERIDAN ST
Structure number:08193 061C00052
Location:W. END OF MARQUAM BR
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.0 ft. [19.8 m]
Total length:149.0 ft. [45.4 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:89.2 ft. [27.2 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:18.7 ft. [5.7 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1959
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:3
Main spans material:Concrete continuous [2]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:16.7 tons [15.2 metric tons]
Inventory rating:12.9 tons [11.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:62.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$763,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201562.4Functionally obsoleteSatisfactorySatisfactorySatisfactory6000
July 201351.5Functionally obsoleteSatisfactorySatisfactoryFair9000
July 201186.0Not deficientSatisfactorySatisfactoryFair9000
May 201081.7Not deficientSatisfactorySatisfactoryFair48217
May 200893.4Not deficientSatisfactorySatisfactoryGood48217
May 200681.9Not deficientSatisfactorySatisfactoryFair46350
May 200481.9Not deficientSatisfactorySatisfactoryFair46350
March 200293.7Not deficientGoodGoodGood45000
March 200096.6Not deficientGoodGoodGood14670
March 199896.6Not deficientGoodGoodGood14670
March 199696.1Not deficientGoodGoodGood24400
March 199496.1Not deficientGoodGoodGood24400
March 199296.1Not deficientGoodGoodGood24400
March 199094.2Not deficientGoodGoodGood24000