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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:59.1 ft. [18.0 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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:40,000 [as of 2018]
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]
Sufficiency rating:48.5
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$90,983,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairSatisfactoryFairSatisfactory4000048.5
December 2015FairSatisfactoryFairSatisfactory4000048.5
December 2013FairFairFairSatisfactory4000025.3
November 2011FairFairFairSatisfactory4000043.9
October 2009FairFairFairSatisfactory4000043.9
May 2007FairFairSatisfactorySatisfactory4542048.9
May 2005FairFairSatisfactorySatisfactory4900048.9
April 2003FairFairSatisfactorySatisfactory4000050.6
February 2001FairGoodSatisfactorySatisfactory4708051.9
December 1999FairGoodSatisfactorySatisfactory4471051.9
April 1998FairGoodSatisfactorySatisfactory4744051.9
December 1995FairGoodSatisfactorySatisfactory4243049.9
August 1993FairGoodGoodSatisfactory3625060.0
July 1993FairGoodSatisfactorySatisfactory3423049.9
May 1991FairGoodGoodSatisfactory3242060.0
March 1989FairGoodGoodSatisfactory3242060.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,3931,22985781
Steel Protective Coatingsq. ft.26,467023,3511,6151,501
Reinforced Concrete Girder/Beamlinear ft.3,8463,8214210
Steel Stringerlinear ft.66,36259,3255,1471,8873
Steel Protective Coatingsq. ft.404,1440287,949104,68611,509
Deck
Reinforced Concrete Decksq. ft.75,88552,45023,43500
Superstructure
Steel Trusslinear ft.8,0866,1301,8011550
Steel Protective Coatingsq. ft.1,814,45101,278,171330,525205,755
Steel Floor Beamlinear ft.11,0338,8181,4547610
Steel Protective Coatingsq. ft.165,4950131,69022,39011,415
Deck
Reinforced Concrete Top Flangesq. ft.25,96324,8831,08000
Superstructure
Steel Gusset Plateeach50854434200
Steel Protective Coatingsq. ft.56,896040,26614,3902,240
Substructure
Reinforced Concrete Columneach61144070
Reinforced Concrete Pier Walllinear ft.5224853700
Masonry Pier Walllinear ft.6055624300
Reinforced Concrete Abutmentlinear ft.3893721700
Reinforced Concrete Pier Caplinear ft.1,3981,3534050
Deck
Concrete Filled Grid Decksq. ft.180,115180,115000
Wearing Surfacessq. ft.180,11558,547121,0015670
Joints
Strip Seal Jointlinear ft.2120017636
Pourable Jointlinear ft.2,06703831,394290
Assembly with Sealeach63602124240
Bearings
Movable Bearingeach132013200
Fixed Bearingeach136013600
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.10,4494,9105,53810
Reinforced Concrete Bridge Raillinear ft.15,67412,7582,900160