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I-55 over MISSISSIPPI RIVER

Map

Coordinates:
+35.13000, -90.08000
35°07'48" N, 90°04'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-55 over MISSISSIPPI RIVER
Structure number:79I00550101
Location:ARKANSAS STATE LINE
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:790.1 ft. [240.8 m]
Total length:5222.4 ft. [1591.7 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:65.0 ft. [19.8 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:61.7 ft. [18.8 m]
Owner:State Highway Agency [01]
Year built:1949
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 18 / H 20 [4]
Number of main spans:5
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:40,000 [as of 2016]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:46.2 tons [42.0 metric tons]
Inventory rating:27.5 tons [25.0 metric tons]
Sufficiency rating:48.5
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$90,361,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201548.5FairSatisfactoryFairSatisfactory-40000
December 201325.3FairFairFairSatisfactorySD40000
November 201143.9FairFairFairSatisfactory-40000
October 200943.9FairFairFairSatisfactory-40000
May 200748.9FairFairSatisfactorySatisfactory-45420
May 200548.9FairFairSatisfactorySatisfactory-49000
April 200350.6FairFairSatisfactorySatisfactory-40000
February 200151.9FairGoodSatisfactorySatisfactory-47080
December 199951.9FairGoodSatisfactorySatisfactory-44710
April 199851.9FairGoodSatisfactorySatisfactory-47440
December 199549.9FairGoodSatisfactorySatisfactory-42430
August 199360.0FairGoodGoodSatisfactory-36250
July 199349.9FairGoodSatisfactorySatisfactory-34230
May 199160.0FairGoodGoodSatisfactory-32420
March 198960.0FairGoodGoodSatisfactory-32420