+32.26835, -90.21013
32°16'06" N, 90°12'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 55 over MCDOWELL ROAD
Structure number:110005502509070
Location:0.6 MI S JCT I55S I20W
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:100.1 ft. [30.5 m]
Total length:220.2 ft. [67.1 m]
Roadway width between curbs:114.5 ft. [34.9 m]
Deck width edge-to-edge:117.8 ft. [35.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1969
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:75,000 [as of 2012]
Truck traffic:25% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:66.6 tons [60.5 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Sufficiency rating:80.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201480.9Not deficientFairGoodFair75000
June 201280.9Not deficientFairGoodFair75000
June 201092.4Not deficientFairGoodGood75000
May 200891.4Not deficientFairGoodGood75000
September 200694.0Not deficientFairGoodGood64000
October 200495.1Not deficientGoodGoodGood62000
August 200295.2Not deficientGoodGoodGood59000
October 200096.8Not deficientGoodGoodGood26000
August 199896.8Not deficientGoodGoodGood26000
April 199798.0Not deficientGoodGoodGood26000
January 199598.0Not deficientGoodGoodGood44410
June 199198.0Not deficientGoodGoodGood40380