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I-5 (HWY 001) SB over MARQUAM BRIDGE RAMP

Map

Coordinates:
+45.50689, -122.67086
45°30'25" N, 122°40'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 (HWY 001) SB over MARQUAM BRIDGE RAMP
Structure number:08590C001 30069
Location:0.8 MI S OF BURNSIDE BR
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:177.2 ft. [54.0 m]
Total length:2358.1 ft. [718.7 m]
Roadway width between curbs:57.1 ft. [17.4 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:26.9 ft. [8.2 m]
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1995
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:13
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:88,500 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:76.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$24,360,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201576.0FairFairSatisfactorySatisfactoryFO88500
June 201276.0FairFairSatisfactoryGoodFO71407
June 201081.0FairSatisfactoryGoodGood-71407
February 200981.0FairSatisfactoryGoodGood-71407
February 200781.0FairSatisfactoryGoodGood-67800
February 200581.0FairSatisfactoryGoodSatisfactory-68300
February 200381.0GoodGoodGoodGood-70250
February 200181.0GoodGoodVery GoodVery Good-86000
February 199981.0GoodGoodVery GoodVery Good-86000
February 199781.0GoodVery GoodVery GoodVery Good-60900
February 199581.0GoodVery GoodVery GoodVery Good-54500
February 199381.0GoodGoodGoodGood-44000
February 199181.0GoodGoodGoodGood-52200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.13,83112,895870624
Steel Protective Coatingsq. ft.227,794133,79290,0004,0020
Prestressed Concrete Girder/Beamlinear ft.4,1224,0773870
Reinforced Concrete Girder/Beamlinear ft.3713017000
Deck
Reinforced Concrete Decksq. ft.153,58059,74092,6211,2190
Substructure
Reinforced Concrete Columneach58441400
Reinforced Concrete Abutmentlinear ft.6262000
Reinforced Concrete Pier Caplinear ft.1,4881,4523600
Joints
Compression Jointlinear ft.80604030403
Open Jointlinear ft.124626200
Bearings
Elastomeric Bearingeach9898000
Movable Bearingeach19229144019
Fixed Bearingeach136954100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,0003,5001,50000