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I 110 over BILOXI BACK BAY

Map

Coordinates:
+30.41123, -88.89385
30°24'40" N, 88°53'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 110 over BILOXI BACK BAY
Structure number:110011002400130
Location:1.3 MI N US 90
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:250.0 ft. [76.2 m]
Total length:5728.3 ft. [1745.9 m]
Roadway width between curbs:77.1 ft. [23.5 m]
Deck width edge-to-edge:88.6 ft. [27.0 m]
Vertical clearance below bridge:59.1 ft. [18.0 m]
Owner:State Highway Agency [01]
Year built:1973
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:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,500 [as of 2017]
Truck traffic:17% of total traffic
Deck condition:Good [7 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: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 but re-evaluation of design suggested [4]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:64.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodSatisfactoryFair2050064.0
August 2016FairGoodSatisfactoryFair5000064.0
June 2014FairGoodSatisfactorySatisfactory3300075.0
July 2011FairGoodSatisfactorySatisfactory4200073.0
July 2009FairSatisfactorySatisfactorySatisfactory6700082.7
January 2008FairGoodSatisfactoryGood5400085.3
March 2006FairGoodSatisfactoryGood5400085.3
July 2004FairGoodSatisfactoryGood5500085.3
October 2003FairGoodSatisfactoryGood5500085.3
November 2002FairGoodSatisfactoryGood5500085.3
September 2000FairGoodSatisfactoryGood4700085.7
October 1999FairGoodSatisfactoryGood4700085.7
September 1999FairGoodSatisfactoryGood5500085.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.1,0561,055100
Steel Girder/Beamlinear ft.2,0361,93850480
Steel Protective Coatingsq. ft.52,07852,078000
Prestressed Concrete Girder/Beamlinear ft.78,46677,1291,33700
Steel Stringerlinear ft.8,8978,897000
Steel Protective Coatingsq. ft.39,52639,526000
Deck
Reinforced Concrete Decksq. ft.527,44026,07227,762473,6060
Superstructure
Steel Trusslinear ft.249249000
Steel Protective Coatingsq. ft.4,9144,914000
Steel Floor Beamlinear ft.2,5992,593060
Steel Protective Coatingsq. ft.34,53834,538000
Deck
Reinforced Concrete Top Flangesq. ft.29,21629,216000
Superstructure
Steel Gusset Plateeach4848000
Steel Protective Coatingsq. ft.960960000
Substructure
Reinforced Concrete Columneach1221061600
Reinforced Concrete Pier Walllinear ft.30,46230,4144800
Reinforced Concrete Abutmentlinear ft.312312000
Steel Pileeach22000
Prestressed Concrete Pileeach391038920
Reinforced Concrete Pier Caplinear ft.5,6565,36828080
Deck
Open Grid Decksq. ft.5,3315,331000
Concrete Filled Grid Decksq. ft.2,0012,001000
Corrugated or Orthotropic Decksq. ft.1,2091,209000
Joints
Strip Seal Jointlinear ft.5,54904,508420621
Assembly with Sealeach2511680830
Assembly without Seal Jointlinear ft.385385000
Bearings
Elastomeric Bearingeach1,65601,1594970
Movable Bearingeach1611050
Steel Protective Coatingsq. ft.160160000
Fixed Bearingeach1615100
Steel Protective Coatingsq. ft.160160000
Pot Bearingeach2010910
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5,4705,4560140
Reinforced Concrete Bridge Raillinear ft.20,74220,742000