I 55 over US 80/KCS RR


+32.28057, -90.17264
32°16'50" N, 90°10'22" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 55 over US 80/KCS RR
Structure number:11000550610934B
Location:I 55 OVER US 80
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:2552.0 ft. [777.8 m]
Roadway width between curbs:74.8 ft. [22.8 m]
Deck width edge-to-edge:74.8 ft. [22.8 m]
Vertical clearance above deck:19.0 ft. [5.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:1998
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:42
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: December 2014 

Status:Open, no restriction [A]
Average daily traffic:50,000 [as of 2012]
Truck traffic:21% 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:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:52.7 tons [47.9 metric tons]
Inventory rating:51.4 tons [46.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:85.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201485.3Functionally obsoleteGoodVery GoodVery Good50000
November 201285.2Functionally obsoleteGoodVery GoodVery Good52000
November 201085.2Functionally obsoleteGoodVery GoodVery Good52000
October 200885.3Functionally obsoleteGoodVery GoodVery Good51500
March 200786.4Not deficientGoodVery GoodVery Good50500
December 200486.3Not deficientGoodVery GoodVery Good51000
January 200386.4Not deficientGoodVery GoodVery Good49000
December 200084.9Not deficientGoodVery GoodVery Good39000
20000.0Not applicable---19000
November 199884.9Not deficientGoodVery GoodVery Good39000
March 199783.9Functionally obsoleteGoodVery GoodVery Good39000
March 199585.1Functionally obsoleteGoodVery GoodVery Good34500
September 199185.3Functionally obsoleteGoodVery GoodVery Good32300
November 198983.3Functionally obsoleteGoodVery GoodVery Good30740