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

Map

Coordinates:
+45.50929, -122.66711
45°30'33" N, 122°40'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 (HWY 001) SB over MARQUAM RAMP SB
Structure number:08591C001 30010
Location:WEST MARQUAM INTERCHANGE
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:189.6 ft. [57.8 m]
Total length:1898.4 ft. [578.6 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1966
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:14
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:137,300 [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: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 replacement [2]
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:79.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$12,989,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201579.0FairSatisfactorySatisfactorySatisfactoryFO137300
July 201379.0FairSatisfactorySatisfactorySatisfactoryFO64236
June 201052.0PoorGoodPoorSatisfactorySD64236
January 201052.0PoorGoodPoorSatisfactorySD64236
January 200852.0PoorGoodPoorSatisfactorySD63600
January 200668.0FairGoodSatisfactoryFairFO61550
January 200468.0FairGoodSatisfactoryFairFO39665
January 200279.0GoodGoodGoodGoodFO38510
January 200079.0GoodGoodGoodGoodFO37100
January 199879.0GoodGoodGoodGoodFO60900
January 199679.7GoodGoodGoodGoodFO25500
January 199479.7GoodGoodGoodGoodFO25500
January 199279.7GoodGoodGoodGoodFO25500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.7,4335,2002,23300
Steel Protective Coatingsq. ft.122,4200116,2996,1210
Reinforced Concrete Girder/Beamlinear ft.160748600
Deck
Reinforced Concrete Decksq. ft.68,22266,8361,38420
Wearing Surfacessq. ft.59,37758,78359400
Superstructure
Steel Floor Beamlinear ft.6306300
Steel Protective Coatingsq. ft.1,82801,82800
Deck
Reinforced Concrete Top Flangesq. ft.1,4801,480000
Wearing Surfacessq. ft.1,2801,15013000
Superstructure
Steel Pin or Pin & Hangar Assemblyeach1201200
Steel Protective Coatingsq. ft.1385566170
Substructure
Reinforced Concrete Columneach168800
Reinforced Concrete Abutmentlinear ft.37261010
Reinforced Concrete Pier Caplinear ft.50315134840
Joints
Compression Jointlinear ft.5824121062737
Other Jointlinear ft.3703700
Bearings
Movable Bearingeach4404400
Steel Protective Coatingsq. ft.8808350
Fixed Bearingeach48321600
Steel Protective Coatingsq. ft.9609150
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,79702,4301,3670