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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

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