I-5 over TERRAIN


+47.56304, -122.32121
47°33'47" N, 122°19'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over TERRAIN
Structure number:0007816A0000000
Location:4.5 N JCT SR 900
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:100.1 ft. [30.5 m]
Total length:901.0 ft. [274.6 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:77.8 ft. [23.7 m]
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1992
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:9
Main spans material:Prestressed concrete continuous [6]
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: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:90,989 [as of 2012]
Truck traffic:9% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:67.9 tons [61.7 metric tons]
Inventory rating:40.9 tons [37.2 metric tons]
Sufficiency rating:88.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$28,832,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201688.4FairSatisfactoryGoodGood-90989
December 201488.4FairSatisfactoryGoodGood-90989
December 201288.1FairSatisfactoryGoodGood-93613
December 201086.7FairSatisfactoryGoodGood-108321
December 200886.7FairSatisfactoryGoodGood-108321
November 200685.8FairSatisfactoryGoodGood-118000
December 200485.8FairSatisfactoryGoodGood-118000
November 200285.8FairSatisfactoryGoodGood-118000
October 200087.7FairSatisfactoryGoodGood-98250
July 199887.7FairSatisfactoryGoodGood-98250
July 199687.7FairSatisfactoryGoodGood-98250
March 199475.2FairSatisfactoryGoodGood-191800
April 199283.2FairFairGoodGood-82500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.11,68711,687000
Reinforced Concrete Decksq. ft.68,32466,7971,52502
Reinforced Concrete Columneach4847100
Reinforced Concrete Abutmentlinear ft.188188000
Reinforced Concrete Pier Caplinear ft.608606020
Strip Seal Jointlinear ft.7607600
Pourable Jointlinear ft.228002280
Open Jointlinear ft.152015200
Movable Bearingeach7878000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,7981,798000