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IS 255 N over MISSISSIPPI RVR, UP RR

Map

Coordinates:
+38.48734, -90.27695
38°29'14" N, 90°16'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 255 N over MISSISSIPPI RVR, UP RR
Structure number:1541
Old structure number:A1850 3 (from 1992 edition)
Location:S 6 T 43 N R 7 E
Purpose:Carries highway over railroad and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:910.1 ft. [277.4 m]
Total length:4003.8 ft. [1220.3 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:54.1 ft. [16.5 m]
Vertical clearance above deck:20.0 ft. [6.1 m]
Vertical clearance below bridge:59.1 ft. [18.0 m]
Owner:State Highway Agency [01]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:28,948 [as of 2017]
Truck traffic:18% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
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:79.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactorySatisfactoryFair2894879.4
May 2015FairSatisfactoryGoodFair2771679.5
April 2013FairSatisfactoryGoodFair2338979.7
June 2011FairSatisfactoryGoodSatisfactory2571084.7
May 2009FairSatisfactoryGoodSatisfactory2623284.7
June 2007FairSatisfactoryGoodSatisfactory3151984.4
September 2006FairSatisfactoryGoodSatisfactory2482084.7
September 2004FairSatisfactoryGoodSatisfactory2478584.7
September 2002FairSatisfactoryGoodSatisfactory2456384.8
September 2000FairSatisfactoryGoodSatisfactory2885983.1
October 1999FairSatisfactoryGoodSatisfactory2110283.8
October 1998FairSatisfactoryGoodSatisfactory2110283.8
September 1997FairSatisfactoryGoodSatisfactory2110283.8
September 1996GoodGoodGoodGood1984784.0
September 1995FairGoodGoodSatisfactory1984785.4
October 1994GoodGoodGoodVery Good2177485.2
September 1993GoodGoodGoodVery Good2116172.0
September 1992GoodGoodGoodVery Good2116172.0
October 1991GoodGoodVery GoodVery Good2042572.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.18,48817,2451,23760
Steel Protective Coatingsq. ft.453,622422,23531,2771100
Steel Stringerlinear ft.6,3706,3551500
Steel Protective Coatingsq. ft.48,57240,5728,00000
Deck
Reinforced Concrete Decksq. ft.215,807182,80332,9041000
Superstructure
Steel Archlinear ft.1,00001,00000
Steel Protective Coatingsq. ft.158,4920118,86939,6230
Steel Floor Beamlinear ft.1,30298232000
Steel Protective Coatingsq. ft.8,6016,6002,00100
Substructure
Reinforced Concrete Columneach2821610
Reinforced Concrete Pier Walllinear ft.332332000
Reinforced Concrete Abutmentlinear ft.224211940
Reinforced Concrete Pier Caplinear ft.80669723860
Concrete Protective Coatingsq. ft.1,51706488690
Joints
Assembly with Sealeach7907900
Open Jointlinear ft.295295000
Bearings
Movable Bearingeach76463000
Steel Protective Coatingsq. ft.76403600
Fixed Bearingeach3630600
Steel Protective Coatingsq. ft.3630600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8,0047,14985500