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DERBY DRIVE over SEABOARD R.R.

Map 

Coordinates:
+33.59307, -86.64628
33°35'35" N, 86°38'47" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:DERBY DRIVE over SEABOARD R.R.
Structure number:015240
Location:DERBY DR * RR NEAR ALTON
Purpose:Carries highway over railroad
Route classification:Local (Urban) [19]
Length of largest span:62.0 ft. [18.9 m]
Total length:147.0 ft. [44.8 m]
Roadway width between curbs:84.6 ft. [25.8 m]
Deck width edge-to-edge:86.6 ft. [26.4 m]
Vertical clearance below bridge:22.6 ft. [6.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1990
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 [3]
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: December 2014 

Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 2014]
Truck traffic:1% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.8 tons [57.1 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:93.5
Estimated cost of work:$4,871,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201493.5Not deficientGoodGoodGood2000
December 201293.5Not deficientGoodGoodGood2000
December 201093.5Not deficientVery GoodGoodGood2000
December 200893.5Not deficientVery GoodGoodGood2000
November 200693.5Not deficientVery GoodGoodGood2000
December 200493.5Not deficientVery GoodGoodGood2000
December 200293.5Not deficientVery GoodGoodGood2000
December 200093.5Not deficientVery GoodGoodGood2000
December 199893.5Not deficientVery GoodGoodGood2000
September 199694.5Not deficientVery GoodGoodGood2000
September 199494.6Not deficientVery GoodGoodGood1500
September 199294.6Not deficientVery GoodVery GoodGood1500