I-5 over TERRAIN


+47.57268, -122.31950
47°34'22" N, 122°19'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over TERRAIN
Structure number:0007741C0000000
Location:5.6 N JCT SR 900
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:44.9 ft. [13.7 m]
Total length:872.1 ft. [265.8 m]
Roadway width between curbs:57.7 ft. [17.6 m]
Deck width edge-to-edge:60.7 ft. [18.5 m]
Vertical clearance above deck:16.4 ft. [5.0 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:21
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:87,763 [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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.9 tons [40.8 metric tons]
Inventory rating:26.0 tons [23.6 metric tons]
Sufficiency rating:77.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$20,928,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201677.0FairSatisfactoryGoodGood-87763
November 201476.7FairSatisfactoryGoodGood-87763
November 201274.0FairSatisfactorySatisfactoryGood-91337
December 201073.9FairSatisfactorySatisfactoryGood-92523
November 200873.9FairSatisfactorySatisfactoryGood-92523
November 200673.2FairSatisfactorySatisfactoryGood-98500
December 200473.2FairSatisfactorySatisfactoryGood-98500
October 200273.2FairSatisfactorySatisfactoryGood-98500
December 200043.2FairFairFairGood-79346
September 199955.6FairSatisfactorySatisfactoryGood-79346
July 199755.6FairSatisfactorySatisfactoryGood-79346
May 199589.9FairSatisfactorySatisfactoryGood-79346
December 199489.9FairSatisfactorySatisfactoryGood-79346
April 199284.0FairSatisfactorySatisfactoryGood-85850

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Top Flangesq. ft.50,31450,089037188
Reinforced Concrete Columneach8080000
Reinforced Concrete Abutmentlinear ft.122122000
Reinforced Concrete Pier Caplinear ft.1,1901,190000
Compression Jointlinear ft.232023200
Open Jointlinear ft.116058580
Movable Bearingeach6464000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,7441,744000
Reinforced Concrete Slabsq. ft.50,31450,29410100