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