COUNTY ROAD 78 over I-20/ I-59


+32.76057, -88.07155
32°45'38" N, 88°04'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY ROAD 78 over I-20/ I-59
Structure number:010481
Old structure number:00000I593200230 (from 1992 edition)
Location:MM 29.4 on I 20
Purpose:Carries highway over highway
Route classification:Local (Rural) [09]
Length of largest span:105.0 ft. [32.0 m]
Total length:381.9 ft. [116.4 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:30°
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:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:380 [as of 2008]
Truck traffic:1% 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:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.3
Estimated cost of work:$2,925,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018GoodGoodGoodGood38089.3
May 2017GoodGoodGoodGood38089.3
April 2015GoodGoodGoodGood38089.3
April 2013GoodGoodGoodGood38089.3
April 2011GoodGoodGoodGood38089.3
April 2009GoodGoodGoodGood38089.3
May 2007GoodGoodGoodGood38092.3
May 2005GoodGoodGoodGood30092.9
May 2003GoodGoodGoodGood30092.9
May 2001GoodGoodGoodGood30092.9
May 1999GoodGoodGoodGood30092.8
May 1997GoodGoodGoodGood30092.8
May 1995GoodGoodGoodGood30092.8
June 1993GoodGoodGoodGood30092.8
August 1991GoodVery GoodGoodVery Good30092.8