+32.28626, -90.21913
32°17'11" N, 90°13'09" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 20 over LYNCH CREEK
Structure number:11000200250439B
Location:2.8 MI E SR 18
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:212.9 ft. [64.9 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:53.8 ft. [16.4 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:45,500 [as of 2017]
Truck traffic:11% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:83.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018PoorPoorVery GoodVery Good4550083.2
August 2016FairFairVery GoodVery Good3700086.2
August 2014FairFairVery GoodVery Good3700088.1
August 2012FairFairVery GoodVery Good6450086.7
July 2010FairFairVery GoodVery Good6450086.7
June 2008GoodGoodVery GoodVery Good6250088.9
June 2006GoodGoodVery GoodVery Good4350089.8
October 2004GoodGoodVery GoodVery Good4850089.6
August 2002GoodGoodVery GoodVery Good4000090.0
September 2000GoodGoodVery GoodVery Good3100088.9
September 1998GoodGoodVery GoodVery Good3100088.9
November 1996GoodVery GoodVery GoodVery Good3100088.9
January 1995GoodVery GoodVery GoodVery Good3550089.1
April 1991GoodVery GoodVery GoodVery Good3050089.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,8901,890000
Reinforced Concrete Decksq. ft.11,457011,3570100
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.116116000
Reinforced Concrete Pier Caplinear ft.126126000
Pourable Jointlinear ft.210210000
Elastomeric Bearingeach5454000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.423421020