+45.51700, -122.66703
45°31'01" N, 122°40'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY 1 TO BELMONT over HWY 1 I-5
Structure number:08589A001 30150
Location:0.4 MI S OF BURNSIDE BR
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:140.1 ft. [42.7 m]
Total length:1442.0 ft. [439.5 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1963
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:16
Main spans material:Steel [3]
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: June 2013

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:32,300 [as of 2010]
Truck traffic:13% 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 corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:21.0 tons [19.1 metric tons]
Inventory rating:16.4 tons [14.9 metric tons]
Sufficiency rating:60.3
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$6,480,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201360.3FairFairSatisfactorySatisfactoryFO32300
November 201091.0FairFairSatisfactorySatisfactoryFO19664
February 200991.0FairFairSatisfactorySatisfactoryFO19664
February 200791.1FairFairSatisfactorySatisfactoryFO18902
February 200591.1FairFairSatisfactorySatisfactoryFO18902
February 200392.1FairSatisfactorySatisfactoryGoodFO18902
February 200180.9FairSatisfactoryFairGoodFO18070
February 199981.2GoodGoodGoodVery GoodFO11100
February 199781.2GoodGoodVery GoodVery GoodFO11100
February 199581.5GoodGoodVery GoodVery GoodFO11100
February 199381.5GoodGoodVery GoodVery GoodFO11100
February 199185.3GoodGoodVery GoodVery GoodFO13900