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 2015 

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:82.2 tons [74.7 metric tons]
Inventory rating:48.5 tons [44.1 metric tons]
Sufficiency rating:93.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201593.6Not deficientSatisfactorySatisfactoryGood3999
October 201393.6Not deficientSatisfactorySatisfactoryGood3999
October 201192.5Not deficientFairSatisfactoryGood4467
October 200989.5Not deficientFairSatisfactoryGood4459
October 200590.6Not deficientGoodGoodGood4326
December 200190.6Not deficientGoodGoodGood4326
June 199787.7Not deficientGoodGoodGood33081
July 199588.3Not deficientGoodGoodGood33081
June 199390.2Not deficientSatisfactorySatisfactoryGood10060
March 199190.2Not deficientSatisfactorySatisfactoryGood10060