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DERBY DRIVE over ALTON ROAD

Map

Coordinates:
+33.56667, -86.63333
33°34'00" N, 86°37'60" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DERBY DRIVE over ALTON ROAD
Structure number:018288
Location:DERBY DR * ALTON RD @I459
Purpose:Carries highway over railroad
Route classification:Local (Urban) [19]
Length of largest span:60.0 ft. [18.3 m]
Total length:142.1 ft. [43.3 m]
Roadway width between curbs:84.0 ft. [25.6 m]
Deck width edge-to-edge:86.6 ft. [26.4 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Skew angle:
Owner:City or Municipal Highway Agency [04]
Year built:1993
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:5% 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:51.7 tons [47.0 metric tons]
Inventory rating:30.9 tons [28.1 metric tons]
Sufficiency rating:95.6
Estimated cost of work:$3,443,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201695.6GoodGoodGoodGood-2000
December 201495.6GoodGoodGoodGood-2000
December 201295.6GoodGoodGoodGood-2000
December 201098.5GoodVery GoodGoodGood-2000
December 200898.5GoodVery GoodGoodGood-2000
November 200698.5GoodVery GoodGoodGood-2000
December 200498.5GoodVery GoodGoodGood-2000
December 200298.5GoodVery GoodGoodGood-2000