I 20 over I 55 TO TERRY ROAD


+32.27669, -90.20911
32°16'36" N, 90°12'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 20 over I 55 TO TERRY ROAD
Structure number:11000200250449A
Location:3.7 MI E SR 18
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:115.2 ft. [35.1 m]
Total length:300.9 ft. [91.7 m]
Roadway width between curbs:55.4 ft. [16.9 m]
Deck width edge-to-edge:59.4 ft. [18.1 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
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:3
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:26,000 [as of 2014]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:96.3 tons [87.5 metric tons]
Inventory rating:58.1 tons [52.8 metric tons]
Sufficiency rating:72.9
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$371,000,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201672.9GoodVery GoodVery GoodVery Good-26000
August 201474.7GoodVery GoodVery GoodVery Good-38000
August 201274.7GoodVery GoodVery GoodVery Good-38000
July 201074.8GoodVery GoodVery GoodVery Good-36500
June 200873.3GoodVery GoodVery GoodVery Good-62500
June 200677.1GoodVery GoodVery GoodVery Good-49000
October 200477.1GoodVery GoodVery GoodVery Good-48500
August 200274.5GoodVery GoodVery GoodVery GoodFO40000
September 200073.1GoodVery GoodVery GoodVery GoodFO31000
September 199873.1GoodVery GoodVery GoodVery GoodFO31000
November 199673.1GoodVery GoodVery GoodVery GoodFO31000
February 199573.5GoodVery GoodVery GoodVery GoodFO35500
April 199174.0GoodVery GoodVery GoodVery GoodFO30500