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OR 99W (HWY 001W) over SW VERMONT ST VIADUCT

Map

Coordinates:
+45.47613, -122.67964
45°28'34" N, 122°40'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 99W (HWY 001W) over SW VERMONT ST VIADUCT
Structure number:01984 01W 00350
Location:0.3 M S OF HWY 40
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:38.1 ft. [11.6 m]
Total length:530.9 ft. [161.8 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:57.4 ft. [17.5 m]
Skew angle:37°
Owner:State Highway Agency [01]
Year built:1934
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:18
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,800 [as of 2014]
Truck traffic:1% 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:Basically intolerable requiring high priority of replacement [2]
Deck geometry 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:22.0 tons [20.0 metric tons]
Inventory rating:13.0 tons [11.8 metric tons]
Sufficiency rating:40.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,992,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201640.9FairFairSatisfactorySatisfactorySD17800
February 201441.3FairFairSatisfactorySatisfactorySD16600
February 201241.3FairFairSatisfactorySatisfactorySD16600
February 201065.3FairSatisfactoryGoodFairFO18400
February 200865.0FairSatisfactoryGoodFairFO20600
February 200678.6FairSatisfactoryGoodGoodFO20000
February 200478.6FairSatisfactoryGoodGoodFO19600
February 200278.7GoodGoodGoodGoodFO19000
February 200076.4GoodGoodGoodGoodFO38000
February 199848.3PoorGoodGoodPoorSD16000
February 199677.3FairGoodGoodSatisfactoryFO15000
February 199454.7FairGoodSatisfactoryFairFO12200
February 199249.7FairGoodSatisfactoryFairFO12200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Timber Girder/Beamlinear ft.8,9558,793117450
Deck
Reinforced Concrete Decksq. ft.28,60613,33910,6874,5800
Wearing Surfacessq. ft.30,533030,53300
Superstructure
Reinforced Concrete Floor Beamlinear ft.152152000
Substructure
Steel Columneach40400
Reinforced Concrete Columneach1514100
Timber Columneach45351000
Timber Abutmentlinear ft.1818000
Steel Abutmentlinear ft.125125000
Reinforced Concrete Pile Cap/Footinglinear ft.553553000
Steel Pier Caplinear ft.905905000
Steel Protective Coatingsq. ft.26,46826,468000
Reinforced Concrete Pier Caplinear ft.5151000
Joints
Other Jointlinear ft.1,1911,191000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,06286120100
Steel Protective Coatingsq. ft.6,2324,9861,24600