I-20 over S L * S F RAILROAD


+32.78952, -88.04065
32°47'22" N, 88°02'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over S L * S F RAILROAD
Structure number:010668
Location:0.5 MI S OF BOLIGEE
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:60.0 ft. [18.3 m]
Total length:163.1 ft. [49.7 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:29°
Owner:State Highway Agency [01]
Year built:1972
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:3
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:Good
Status:Open, no restriction [A]
Average daily traffic:11,035 [as of 2013]
Truck traffic:44% of total traffic
Deck condition:Good [7 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]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:94.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,940,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodGoodGood1103594.0
May 2015GoodGoodGoodGood1103594.0
May 2013GoodGoodGoodGood1103594.0
May 2011GoodGoodGoodGood961094.1
May 2009GoodGoodGoodVery Good993594.1
May 2007GoodGoodGoodVery Good1032597.0
May 2005GoodGoodGoodVery Good943097.1
May 2003GoodGoodGoodVery Good957597.1
May 2001GoodGoodGoodVery Good957597.1
May 1999GoodGoodGoodVery Good859097.2
May 1997GoodGoodGoodVery Good771097.3
May 1995GoodGoodGoodVery Good663597.5
June 1993GoodGoodGoodVery Good626597.5
August 1991GoodGoodVery GoodVery Good616592.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.978978000
Steel Protective Coatingsq. ft.9,90209,90200
Reinforced Concrete Decksq. ft.7,0573,5123,528170
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.126126000
Reinforced Concrete Pier Caplinear ft.8888000
Compression Jointlinear ft.9898000
Movable Bearingeach2424000
Steel Protective Coatingsq. ft.4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.326326000