SR 56 Dekalb County Bridge over Caney Fork River

Location: Smithville, TN
Completed: 2012
Owner: Tennessee Department of Transportation

Rehabilitation of SR 56 Highway Bridge over the Caney Fork River, with a length of 1786′ from abutment to abutment.


  • Installed 100 truss strengthening plates varying in length from 30′ to 60′
  • Completed 100 joint repairs on existing truss
  • Removed over 300 W24x76 beams (30′ long stringer beams) and installed 520 new stringers
  • Traffic flow was maintained throughout project while removing old deck and placing new steel by utilizing 3-phase construction
  • Removed 10,000+ rivets and replaced with high strength bolts
  • Installed 20 new downspouts
  • Completed floor beam strengthening on 52 floor beams
  •  Repaired 3 expansion joints
  • Completed epoxy injection on substructure
  • Poured 2,000+ yards of lightweight concrete for bridge deck