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I-20 over TOMBIGBEE RIVER RELIEF

Map

Coordinates:
+32.77793, -88.05328
32°46'41" N, 88°03'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over TOMBIGBEE RIVER RELIEF
Structure number:010488
Location:1.7 MI S OF BOLIGEE
Purpose:Carries highway over relief for waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:41.0 ft. [12.5 m]
Total length:246.1 ft. [75.0 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Owner:State Highway Agency [01]
Year built:1971
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:6
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,035 [as of 2013]
Truck traffic:44% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:93.0
Estimated cost of work:$2,763,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairFairGoodGood1103593.0
May 2015FairFairGoodGood1103593.0
May 2013FairFairGoodGood1103593.0
May 2011FairFairGoodGood961093.1
May 2009FairFairGoodGood993594.1
May 2007FairSatisfactoryGoodVery Good1032597.0
May 2005FairSatisfactoryGoodVery Good921597.1
May 2003FairSatisfactoryGoodVery Good957597.1
May 2001FairSatisfactoryGoodVery Good957597.1
May 1999FairSatisfactoryGoodVery Good859097.2
May 1997FairSatisfactoryGoodVery Good771097.3
May 1995FairSatisfactoryGoodVery Good663597.5
June 1993GoodGoodGoodVery Good626597.5
August 1991GoodGoodGoodVery Good616592.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,4761,476000
Deck
Reinforced Concrete Decksq. ft.10,57805,0005,5780
Substructure
Reinforced Concrete Abutmentlinear ft.106106000
Steel Pileeach3636000
Reinforced Concrete Pier Caplinear ft.195195000
Joints
Compression Jointlinear ft.86043430
Bearings
Elastomeric Bearingeach6060000
Movable Bearingeach126600
Steel Protective Coatingsq. ft.2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.492492000