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 2014 

Status:Open, no restriction [A]
Average daily traffic:38,000 [as of 2012]
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: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:96.3 tons [87.5 metric tons]
Inventory rating:58.1 tons [52.8 metric tons]
Sufficiency rating:74.7
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$371,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201474.7Not deficientVery GoodVery GoodVery Good38000
August 201274.7Not deficientVery GoodVery GoodVery Good38000
July 201074.8Not deficientVery GoodVery GoodVery Good36500
June 200873.3Not deficientVery GoodVery GoodVery Good62500
June 200677.1Not deficientVery GoodVery GoodVery Good49000
October 200477.1Not deficientVery GoodVery GoodVery Good48500
August 200274.5Functionally obsoleteVery GoodVery GoodVery Good40000
September 200073.1Functionally obsoleteVery GoodVery GoodVery Good31000
September 199873.1Functionally obsoleteVery GoodVery GoodVery Good31000
November 199673.1Functionally obsoleteVery GoodVery GoodVery Good31000
February 199573.5Functionally obsoleteVery GoodVery GoodVery Good35500
April 199174.0Functionally obsoleteVery GoodVery GoodVery Good30500