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IS 55 S over MISSISSIPPI RVR, CST WHA

Map

Coordinates:
+38.61843, -90.18437
38°37'06" N, 90°11'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 S over MISSISSIPPI RVR, CST WHA
Structure number:1244
Location:S 23 T 45 N R 7 E
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:600.1 ft. [182.9 m]
Total length:2165.1 ft. [659.9 m]
Roadway width between curbs:117.5 ft. [35.8 m]
Deck width edge-to-edge:122.1 ft. [37.2 m]
Vertical clearance below bridge:52.5 ft. [16.0 m]
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2016
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:5
Main spans material:Steel continuous [4]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:57,597 [as of 2017]
Truck traffic:18% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:59.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017PoorPoorPoorFair5759759.5
February 2016PoorPoorPoorFair5514656.7
March 2013PoorFairPoorFair10175555.1
August 2011FairSatisfactorySatisfactorySatisfactory9858783.8
August 2009FairSatisfactorySatisfactorySatisfactory10058983.7
February 2007FairSatisfactorySatisfactorySatisfactory9919383.8
September 2003FairFairSatisfactorySatisfactory9817082.8
July 2002FairGoodSatisfactorySatisfactory9615184.0
September 2001FairGoodSatisfactorySatisfactory9923685.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.8,6788,557852412
Steel Protective Coatingsq. ft.768,7380384,369384,3690
Steel Girder/Beamlinear ft.6,4996,499000
Steel Protective Coatingsq. ft.80,58480,584000
Deck
Reinforced Concrete Decksq. ft.38,02338,023000
Superstructure
Steel Floor Beamlinear ft.17,34617,22512100
Steel Protective Coatingsq. ft.172,073147,07914,8137,8652,316
Substructure
Reinforced Concrete Columneach1616000
Reinforced Concrete Pier Walllinear ft.4564421400
Reinforced Concrete Abutmentlinear ft.3503391100
Concrete Protective Coatingsq. ft.1,6361,636000
Reinforced Concrete Pier Caplinear ft.4444311300
Deck
Corrugated or Orthotropic Decksq. ft.244,645225,25813,9545,4330
Wearing Surfacessq. ft.226,333226,333000
Joints
Assembly with Sealeach119119000
Assembly without Seal Jointlinear ft.119119000
Bearings
Movable Bearingeach2020000
Steel Protective Coatingsq. ft.2002000
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.40400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,5104,34402,1660