Bridge Type
Main Span(s): Steel continuous [4] Girder and floorbeam system [03]
Approach Span(s): Concrete [1] Mixed types [20]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 1512.4 m = 4962.2 ft
Main Spans: 8 at 46.9 m = 153.9 ft
Approach Spans: 78
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 17.3 m = 56.8 ft
Location
Unknown [00000]: Colbert County [033], Alabama [01]
Owned by Tennessee Valley Authority [67], DOT District: 2
ON WILSON DAM
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 58.4 metric ton = 64.2 tons (Load Factor(LF) [1])
Inventory: 35 metric ton = 38.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: January 2021 [0121] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 3153 (2019) and Trucks: 8%
Future ADT: 2500 (In 2039
)
