Share:

OR 99W(HWY 001W)NB over HARBOR DRIVE VIADUCT

Map 

Coordinates:
+45.49554, -122.67778
45°29'44" N, 122°40'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:OR 99W(HWY 001W)NB over HARBOR DRIVE VIADUCT
Structure number:05195A01W 00193
Location:NEAR W END ROSS ISL. BR.
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:42.0 ft. [12.8 m]
Total length:514.1 ft. [156.7 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Owner:State Highway Agency [01]
Year built:1949
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:13
Main spans material:Concrete continuous [2]
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 

Status:Open, no restriction [A]
Average daily traffic:30,900 [as of 2014]
Truck traffic:1% 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:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:27.0 tons [24.5 metric tons]
Inventory rating:16.0 tons [14.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:49.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$2,633,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201649.4Functionally obsoleteSatisfactorySatisfactorySatisfactory30900
February 201449.4Functionally obsoleteSatisfactorySatisfactorySatisfactory9643
February 201249.4Functionally obsoleteSatisfactorySatisfactorySatisfactory9643
February 201049.4Functionally obsoleteSatisfactorySatisfactorySatisfactory9643
February 200849.4Functionally obsoleteSatisfactorySatisfactorySatisfactory9548
February 200649.4Functionally obsoleteSatisfactorySatisfactorySatisfactory9270
February 200449.2Functionally obsoleteSatisfactorySatisfactorySatisfactory9270
February 200246.4Functionally obsoleteGoodGoodSatisfactory9000
February 200049.2Functionally obsoleteGoodGoodSatisfactory19000
February 199849.2Functionally obsoleteGoodGoodSatisfactory8500
February 199659.9Functionally obsoleteGoodGoodSatisfactory8500
February 199463.6Functionally obsoleteGoodGoodSatisfactory6500
February 199261.6Functionally obsoleteGoodGoodSatisfactory6500