CITYST over I-20


+32.45044, -93.86555
32°27'02" N, 93°51'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CITYST over I-20
Structure number:040904510110601
Location:1.9 MI EAST OF LA 526
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:85.0 ft. [25.9 m]
Total length:272.0 ft. [82.9 m]
Roadway width between curbs:84.0 ft. [25.6 m]
Deck width edge-to-edge:86.6 ft. [26.4 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1977
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:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2016 

Status:Open, no restriction [A]
Average daily traffic:35,800 [as of 2015]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:94.1 tons [85.5 metric tons]
Inventory rating:49.5 tons [45.0 metric tons]
Sufficiency rating:96.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201696.0Not deficientSatisfactorySatisfactorySatisfactory35800
March 201497.0Not deficientSatisfactorySatisfactorySatisfactory42900
March 201298.0Not deficientGoodGoodGood37500
March 201098.0Not deficientGoodGoodGood36400
February 200898.0Not deficientGoodVery GoodGood34400
January 200680.0Functionally obsoleteGoodVery GoodGood27050
February 200480.0Functionally obsoleteGoodVery GoodGood26900
March 200277.8Functionally obsoleteGoodVery GoodGood26100
March 200077.8Functionally obsoleteGoodVery GoodGood29358
March 199877.8Functionally obsoleteGoodVery GoodGood29358
March 199677.8Functionally obsoleteGoodVery GoodGood14589
May 199477.8Functionally obsoleteVery GoodVery GoodGood29140
March 199277.8Functionally obsoleteVery GoodVery GoodGood23028