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I-20 over TOMBIGBEE RIVER RELIEF

Map

Coordinates:
+32.74047, -88.09536
32°44'26" N, 88°05'43" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over TOMBIGBEE RIVER RELIEF
Structure number:010467
Location:5.2 MI S OF BOLIGEE
Purpose:Carries highway over relief for waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:100.1 ft. [30.5 m]
Total length:363.9 ft. [110.9 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:Steel continuous [4]
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:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 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 assessed or calculated scour condition. [5]
Sufficiency rating:95.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,886,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryGoodVery Good1103595.0
May 2015FairSatisfactoryGoodVery Good1103594.0
May 2013FairSatisfactoryGoodGood1103594.0
May 2011FairSatisfactoryGoodGood961094.1
June 2009GoodGoodGoodGood993597.1
May 2007GoodGoodGoodGood1017097.1
May 2005GoodGoodGoodGood921597.1
May 2003GoodGoodGoodGood957597.1
April 2001GoodGoodGoodGood957597.1
April 1999GoodGoodGoodGood859097.2
May 1997GoodGoodGoodGood771097.3
April 1995GoodGoodGoodGood663597.5
June 1993GoodGoodGoodGood626597.5
August 1991GoodVery GoodVery GoodVery Good616592.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,1842,184000
Steel Protective Coatingsq. ft.24,3030024,3030
Deck
Reinforced Concrete Decksq. ft.15,652015,5521000
Substructure
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.104104000
Reinforced Concrete Pier Caplinear ft.129129000
Joints
Pourable Jointlinear ft.8686000
Bearings
Movable Bearingeach3030000
Steel Protective Coatingsq. ft.6060000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.728728000