Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Steel [3] Truss - Deck [09]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 631.2 m = 2071.0 ft
Main Spans: 3 at 128 m = 420.0 ft
Approach Spans: 11
Skew: 0
Width, Roadway: 14.2 m = 46.6 ft (4 Lanes) and Out-To-Out: 14.9 m = 48.9 ft for a 18.3 m = 60.0 ft approaching roadway.
Vertical Clearance: 4.37 m = 14.3 ft and Navigational Clearance: 12.2 m = 40.0 ft
Location
Sheffield [69648]: Colbert County [033], Alabama [01]
Owned by State Highway Agency [01], DOT District: 2
COLBERT-LAUDERDALE CO.
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 33 metric ton = 36.3 tons (Allowable Stress(AS) [2])
Inventory: 21.4 metric ton = 23.5 tons (Allowable Stress(AS) [2])
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: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 1999 [999] 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: 1.3 km = 0.8 mi
Traffic
ADT: 27850 (2019) and Trucks: 5%
Future ADT: 33848 (In 2033
)
