Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 2164.7 m = 7102.4 ft
Main Spans: 2 at 280.1 m = 919.0 ft
Approach Spans: 57
Skew: 0
Width, Roadway: 23.8 m = 78.1 ft (4 Lanes) and Out-To-Out: 24.6 m = 80.7 ft for a 23.2 m = 76.1 ft approaching roadway.
Vertical Clearance: 5.33 m = 17.5 ft and Navigational Clearance: 15.8 m = 51.8 ft
Location
Unknown [00000]: Dyer County [045], Tennessee [47]
Owned by State Highway Agency [01], DOT District: 4
S 11 T 17 N R 13 E
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 47.7 metric ton = 52.5 tons (Load Factor(LF) [1])
Inventory: 28.8 metric ton = 31.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 9171 (2018) and Trucks: 35%
Future ADT: 14674 (In 2041
)
