+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]
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:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:148,000 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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]
Sufficiency rating:74.0
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201774.0FairSatisfactoryGoodGoodFO148000
February 201578.7FairFairGoodGoodFO66761
February 201385.3FairFairGoodGoodFO66761
June 201185.3FairFairGoodGoodFO66761
February 200985.3FairFairGoodGoodFO66761
February 200785.7FairFairGoodGoodFO62850
February 200585.3FairFairSatisfactoryGoodFO66000
February 200366.5FairSatisfactoryVery GoodGoodFO66100
February 200165.6GoodGoodGoodGoodFO73280
February 199965.6GoodGoodVery GoodGoodFO73280
February 199766.6GoodGoodVery GoodGoodFO65650
February 199569.1GoodGoodVery GoodGoodFO57300
February 199369.1GoodGoodVery GoodGoodFO57300
February 199169.3FairGoodSatisfactoryGoodFO55000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.3,9442,7611,18300
Steel Protective Coatingsq. ft.52,47336,73115,74200
Prestressed Concrete Girder/Beamlinear ft.9,1718,79437700
Reinforced Concrete Girder/Beamlinear ft.99169130000
Reinforced Concrete Decksq. ft.93,03746,51923,25923,2590
Reinforced Concrete Top Flangesq. ft.6,8596,859000
Reinforced Concrete Columneach6357600
Reinforced Concrete Abutmentlinear ft.110110000
Reinforced Concrete Pier Caplinear ft.1,2911,06822300
Strip Seal Jointlinear ft.400040000
Pourable Jointlinear ft.8008000
Compression Jointlinear ft.160016000
Elastomeric Bearingeach264264000
Movable Bearingeach3503500
Fixed Bearingeach3503500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,534920537077