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I-20 over TOMBIGBEE RIVER RELIEF

Map

Coordinates:
+32.75564, -88.07688
32°45'20" N, 88°04'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over TOMBIGBEE RIVER RELIEF
Structure number:010477
Location:3.7 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:164.1 ft. [50.0 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:4
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: September 2018

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:Satisfactory [6 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:97.0
Estimated cost of work:$1,951,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactoryGoodGood1103597.0
April 2017FairSatisfactoryGoodGood1103597.0
April 2015FairSatisfactoryGoodVery Good1103597.0
April 2013FairSatisfactoryGoodVery Good1103597.0
April 2011FairSatisfactoryGoodVery Good961097.1
April 2009FairSatisfactoryGoodVery Good993596.1
April 2007FairSatisfactoryGoodVery Good1032597.0
April 2005FairSatisfactoryGoodVery Good921597.1
April 2003FairSatisfactoryGoodVery Good957597.1
April 2001FairSatisfactoryGoodVery Good957597.1
April 1999FairSatisfactoryGoodVery Good859097.2
April 1997GoodGoodGoodVery Good771097.3
April 1995GoodGoodGoodVery Good663597.5
June 1993GoodGoodGoodGood626597.5
July 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.984984000
Deck
Reinforced Concrete Decksq. ft.7,0682,2274,1666750
Substructure
Reinforced Concrete Abutmentlinear ft.106106000
Steel Pileeach1818000
Reinforced Concrete Pier Caplinear ft.116116000
Joints
Compression Jointlinear ft.8600860
Bearings
Elastomeric Bearingeach3636000
Movable Bearingeach120840
Steel Protective Coatingsq. ft.2401680
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.328324400