Share:

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: August 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 2016]
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:$3,549,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201693.5GoodGoodGoodGood-2000
December 201493.5GoodGoodGoodGood-2000
December 201293.5GoodGoodGoodGood-2000
December 201093.5GoodVery GoodGoodGood-2000
December 200893.5GoodVery GoodGoodGood-2000
November 200693.5GoodVery GoodGoodGood-2000
December 200493.5GoodVery GoodGoodGood-2000
December 200293.5GoodVery GoodGoodGood-2000
December 200093.5GoodVery GoodGoodGood-2000
December 199893.5GoodVery GoodGoodGood-2000
September 199694.5GoodVery GoodGoodGood-2000
September 199494.6GoodVery GoodGoodGood-1500
September 199294.6GoodVery GoodVery GoodGood-1500