I-565 over ZIERDT ROAD


+34.69000, -86.71607
34°41'24" N, 86°42'58" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-565 over ZIERDT ROAD
Structure number:014453
Location:I-565 OVER ZIERDT RD.
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.9 ft. [34.1 m]
Total length:250.0 ft. [76.2 m]
Roadway width between curbs:55.8 ft. [17.0 m]
Deck width edge-to-edge:58.7 ft. [17.9 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:31°
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2015 

Status:Open, no restriction [A]
Average daily traffic:31,543 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:79.0 tons [71.8 metric tons]
Inventory rating:48.2 tons [43.8 metric tons]
Sufficiency rating:95.0
Estimated cost of work:$3,825,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201595.0Not deficientGoodGoodGood31543
June 201395.2Not deficientGoodVery GoodGood30330
June 201195.2Not deficientVery GoodVery GoodVery Good30150
June 200995.3Not deficientVery GoodVery GoodVery Good29355
June 200795.3Not deficientVery GoodVery GoodVery Good28670
June 200595.5Not deficientVery GoodVery GoodVery Good26445
June 200395.7Not deficientVery GoodVery GoodVery Good24685
May 200195.7Not deficientVery GoodVery GoodVery Good24685
May 199995.9Not deficientVery GoodVery GoodVery Good22645
July 199796.1Not deficientVery GoodVery GoodVery Good19950
July 199596.5Not deficientVery GoodVery GoodVery Good19950
July 199396.8Not deficientVery GoodVery GoodVery Good16590
November 199197.1Not deficientVery GoodVery GoodVery Good11450