+33.57224, -86.63819
33°34'20" N, 86°38'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I459 over DERBY PARKWAY
Structure number:015964
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:101.1 ft. [30.8 m]
Total length:214.9 ft. [65.5 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:58.1 ft. [17.7 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:14°
Owner:State Highway Agency [01]
Year built:1994
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:3
Main spans material:Steel continuous [4]
Main spans 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: October 2014 

Status:Open, no restriction [A]
Average daily traffic:28,675 [as of 2013]
Truck traffic:12% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:90.3 tons [82.1 metric tons]
Inventory rating:54.1 tons [49.2 metric tons]
Sufficiency rating:90.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,526,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201490.1Not deficientGoodSatisfactorySatisfactory28675
October 201290.2Not deficientGoodSatisfactorySatisfactory28065
October 201090.2Not deficientGoodGoodSatisfactory28050
November 200890.0Not deficientGoodGoodSatisfactory29675
November 200690.1Not deficientGoodGoodSatisfactory28865
November 200490.4Not deficientGoodGoodGood26150
November 200290.5Not deficientVery GoodVery GoodGood25180
December 200088.4Not deficientVery GoodVery GoodGood25070
January 199988.7Not deficientVery GoodVery GoodGood22035
October 199689.1Not deficientVery GoodVery GoodGood18335
July 199487.8Not deficientGoodVery GoodVery Good14535