OR 99W (HWY 001W) over HWY 1W NB TO HWY 1 NB


+45.44369, -122.73897
45°26'37" N, 122°44'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:OR 99W (HWY 001W) over HWY 1W NB TO HWY 1 NB
Structure number:07758C01W 00740
Location:1.2 MI N OF HWY 144
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:136.5 ft. [41.6 m]
Total length:520.7 ft. [158.7 m]
Roadway width between curbs:63.0 ft. [19.2 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:21.3 ft. [6.5 m]
Skew angle:53°
Owner:State Highway Agency [01]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:4
Main spans material:Prestressed concrete [5]
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: February 2016 

Status:Open, no restriction [A]
Average daily traffic:43,900 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:15.7 tons [14.3 metric tons]
Inventory rating:12.1 tons [11.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:61.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$6,234,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201661.8Functionally obsoleteSatisfactoryGoodSatisfactory43900
February 201461.8Functionally obsoleteSatisfactoryGoodSatisfactory19800
February 201261.8Functionally obsoleteSatisfactorySatisfactorySatisfactory19800
February 201098.0Not deficientGoodGoodGood19800
February 2008100.0Not deficientGoodGoodGood23072
February 2006100.0Not deficientGoodGoodSatisfactory22400
February 200489.0Not deficientSatisfactoryGoodFair21900
February 200298.0Not deficientGoodVery GoodGood51000
February 200098.0Not deficientGoodVery GoodGood57900
February 199898.0Not deficientGoodVery GoodGood43300
February 199698.0Not deficientGoodVery GoodGood43300
February 199498.0Not deficientGoodVery GoodGood43300
February 199296.0Not deficientGoodVery GoodGood43300