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I-5 (HWY 001) over WILLAMETTE RIVER MARQUAM

Map 

Coordinates:
+45.50676, -122.67095
45°30'24" N, 122°40'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-5 (HWY 001) over WILLAMETTE RIVER MARQUAM
Structure number:08328 001 30038
Location:1.1 MI S OF BURNSIDE BR
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:440.0 ft. [134.1 m]
Total length:1044.0 ft. [318.2 m]
Roadway width between curbs:113.9 ft. [34.7 m]
Deck width edge-to-edge:168.0 ft. [51.2 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:71.9 ft. [21.9 m]
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Truss - Deck [09]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:88,500 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:70.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201570.0Not deficientSatisfactorySatisfactoryFair88500
June 201370.0Not deficientSatisfactorySatisfactoryFair88600
June 201270.0Not deficientSatisfactorySatisfactoryFair88600
May 201081.0Not deficientSatisfactorySatisfactoryGood135900
July 200954.0Structurally deficientSatisfactoryPoorGood135900
July 200754.0Structurally deficientSatisfactoryPoorGood135600
July 200481.0Not deficientSatisfactorySatisfactoryGood136600
July 200281.0Not deficientGoodGoodGood140900
July 200081.0Not deficientGoodVery GoodGood134700
July 199881.0Not deficientGoodVery GoodGood131800
July 199681.0Not deficientGoodVery GoodGood121800
July 199481.0Not deficientGoodVery GoodGood101900
July 199280.0Not deficientGoodVery GoodGood101900
July 199063.0Functionally obsoleteGoodVery GoodGood101900