I 20 over CNIC RR


+32.27623, -90.20394
32°16'34" N, 90°12'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 20 over CNIC RR
Structure number:11000200250452B
Location:0.2 MI E I 55
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:313.0 ft. [95.4 m]
Roadway width between curbs:63.0 ft. [19.2 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:41°
Owner:State Highway Agency [01]
Year built:1966
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:5
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:Good
Status:Open, no restriction [A]
Average daily traffic:60,000 [as of 2017]
Truck traffic:9% of total traffic
Deck condition:Good [7 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]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:85.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018GoodGoodVery GoodVery Good6000085.0
August 2016GoodGoodVery GoodVery Good5800085.2
August 2014GoodGoodVery GoodVery Good5500088.2
August 2012GoodGoodVery GoodVery Good5500088.2
July 2010GoodGoodVery GoodVery Good6700087.6
June 2008GoodGoodVery GoodVery Good6250085.9
June 2006GoodGoodVery GoodVery Good5450089.3
October 2004GoodGoodVery GoodVery Good5750089.1
August 2002GoodGoodVery GoodVery Good6000089.0
September 2000GoodGoodVery GoodVery Good4850087.1
September 1998GoodGoodVery GoodVery Good4850087.1
March 1997GoodGoodVery GoodVery Good4850087.1
February 1995GoodGoodVery GoodVery Good4030088.7
April 1991GoodGoodVery GoodVery Good3664089.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.2,6902,690000
Reinforced Concrete Decksq. ft.20,638020,63800
Reinforced Concrete Columneach2424000
Reinforced Concrete Abutmentlinear ft.8282000
Reinforced Concrete Pier Caplinear ft.344344000
Open Jointlinear ft.377377000
Elastomeric Bearingeach8686000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.623617060