I-5 over TERRAIN


+47.62833, -122.32667
47°37'42" N, 122°19'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 over TERRAIN
Structure number:0006800H0000000
Location:2.1 N JCT I-90
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:38.1 ft. [11.6 m]
Total length:743.1 ft. [226.5 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:25.6 ft. [7.8 m]
Owner:State Highway Agency [01]
Year built:1964
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: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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,999 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:82.8 tons [75.3 metric tons]
Inventory rating:48.8 tons [44.4 metric tons]
Sufficiency rating:93.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$8,024,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201793.6FairSatisfactorySatisfactoryGood-3999
April 201593.6FairSatisfactorySatisfactoryGood-3999
October 201393.6FairSatisfactorySatisfactoryGood-3999
October 201192.5FairFairSatisfactoryGood-4467
October 200989.5FairFairSatisfactoryGood-4459
October 200590.6GoodGoodGoodGood-4326
December 200190.6GoodGoodGoodGood-4326
June 199787.7GoodGoodGoodGood-33081
July 199588.3GoodGoodGoodGood-33081
June 199390.2FairSatisfactorySatisfactoryGood-10060
March 199190.2FairSatisfactorySatisfactoryGood-10060

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Top Flangesq. ft.15,60315,3591050139
Steel Columneach33000
Reinforced Concrete Columneach118118000
Reinforced Concrete Abutmentlinear ft.6464000
Reinforced Concrete Pier Caplinear ft.512512000
Pourable Jointlinear ft.2102100
Assembly without Seal Jointlinear ft.8408400
Movable Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,4861,486000
Reinforced Concrete Slabsq. ft.15,60315,601020