+45.51440, -122.66779
45°30'52" N, 122°40'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-5 (HWY 001) SB over FREMONT VIADUCT
Structure number:S8958A001 30299
Location:1.5 MI N OF BURNSIDE BR
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:140.1 ft. [42.7 m]
Total length:2012.2 ft. [613.3 m]
Roadway width between curbs:35.4 ft. [10.8 m]
Deck width edge-to-edge:37.7 ft. [11.5 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:11.2 ft. [3.4 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:5
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: February 2015 

Status:Open, no restriction [A]
Average daily traffic:66,761 [as of 2010]
Truck traffic:12% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$13,357,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201578.7Functionally obsoleteFairGoodGood66761
February 201385.3Functionally obsoleteFairGoodGood66761
June 201185.3Functionally obsoleteFairGoodGood66761
February 200985.3Functionally obsoleteFairGoodGood66761
February 200785.7Functionally obsoleteFairGoodGood62850
February 200585.3Functionally obsoleteFairSatisfactoryGood66000
February 200366.5Functionally obsoleteSatisfactoryVery GoodGood66100
February 200165.6Functionally obsoleteGoodGoodGood73280
February 199965.6Functionally obsoleteGoodVery GoodGood73280
February 199766.6Functionally obsoleteGoodVery GoodGood65650
February 199569.1Functionally obsoleteGoodVery GoodGood57300
February 199369.1Functionally obsoleteGoodVery GoodGood57300
February 199169.3Functionally obsoleteGoodSatisfactoryGood55000