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I-5 over SKAGIT RIVER

Map 

Coordinates:
+48.44578, -122.34111
48°26'45" N, 122°20'28" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-5 over SKAGIT RIVER
Structure number:0004794A0000000
Location:0.7 N JCT SR 538
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:160.1 ft. [48.8 m]
Total length:1111.9 ft. [338.9 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Vertical clearance below bridge:7.9 ft. [2.4 m]
Owner:State Highway Agency [01]
Year built:1955
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:4
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2012 

Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:70,925 [as of 2010]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:50.5 tons [45.9 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:53.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$63,213,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201253.8Functionally obsoleteSatisfactoryFairFair70925
August 201059.8Functionally obsoleteSatisfactoryFairSatisfactory70526
June 200858.8Functionally obsoleteSatisfactoryFairSatisfactory70526
June 200660.6Functionally obsoleteSatisfactoryFairSatisfactory57000
June 200460.6Functionally obsoleteSatisfactoryFairSatisfactory57000
September 200359.4Functionally obsoleteFairFairGood57000
August 200259.4Functionally obsoleteFairFairGood57000
June 200159.4Functionally obsoleteFairFairGood57000
July 199974.8Functionally obsoleteSatisfactorySatisfactoryGood46975
May 199749.1Functionally obsoleteSatisfactorySatisfactoryGood46975
April 199774.8Functionally obsoleteSatisfactorySatisfactoryGood46975
April 199675.8Functionally obsoleteSatisfactorySatisfactoryGood46975
March 199575.8Functionally obsoleteSatisfactorySatisfactoryGood46975
October 199277.4Functionally obsoleteSatisfactoryGoodGood29200
November 199072.2Structurally deficientSeriousGoodGood29200