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I-20 over TOMBIGBEE RIVER RELIEF

Map

Coordinates:
+32.75113, -88.08167
32°45'04" N, 88°04'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over TOMBIGBEE RIVER RELIEF
Structure number:010474
Old structure number:00000I59320014B (from 1992 edition)
Location:4.1 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: 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:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:80.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,763,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairSatisfactoryFairGood1103580.1
April 2017FairSatisfactoryFairGood1103580.1
April 2015FairSatisfactoryFairGood1103576.0
April 2013FairSatisfactoryFairGood1103571.9
April 2011FairSatisfactoryFairSatisfactory961072.1
April 2009FairSatisfactoryFairSatisfactory993580.2
December 2008FairSatisfactoryFairSatisfactory993580.2
April 2007GoodGoodGoodVery Good2065096.1
April 2005GoodGoodGoodVery Good921597.1
April 2003GoodGoodGoodVery Good957597.1
April 2001GoodGoodGoodVery Good957597.1
April 1999GoodGoodGoodVery 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.1,4411,3750660
Deck
Reinforced Concrete Decksq. ft.10,603010,2034000
Substructure
Reinforced Concrete Abutmentlinear ft.101810200
Steel Pileeach3636000
Reinforced Concrete Pier Caplinear ft.193193000
Joints
Compression Jointlinear ft.8600860
Bearings
Elastomeric Bearingeach6006000
Movable Bearingeach126330
Steel Protective Coatingsq. ft.24140100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4924800120