I-20 over C.N. & L. RR


+34.02778, -81.12611
34°01'40" N, 81°07'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-20 over C.N. & L. RR
Structure number:000000000004366
Old structure number:003210002000500 (from 1992 edition)
Location:3MI NW OF COLA
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:59.1 ft. [18.0 m]
Total length:175.9 ft. [53.6 m]
Roadway width between curbs:102.7 ft. [31.3 m]
Deck width edge-to-edge:107.9 ft. [32.9 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:1991
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:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:83,700 [as of 2017]
Truck traffic:12% 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:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017GoodGoodGoodGood8370089.1
November 2015GoodGoodGoodGood3845093.4
December 2013GoodGoodGoodGood3825093.4
December 2011GoodGoodGoodGood3800093.4
December 2009GoodGoodGoodGood3705093.5
January 2008GoodGoodGoodGood3725093.5
January 2006GoodGoodGoodGood3610093.6
January 2000GoodGoodGoodGood2785095.7
December 1991GoodVery GoodVery GoodVery Good1830089.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,8162,816000
Reinforced Concrete Decksq. ft.19,00817,8201,18800
Reinforced Concrete Columneach1615010
Reinforced Concrete Pier Caplinear ft.499491350
Pourable Jointlinear ft.2496401850
Elastomeric Bearingeach6464000
Fixed Bearingeach3232000
Steel Protective Coatingsq. ft.10,75310,753000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.52848815250