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