Hodges Bayou Bridge
Concrete bridge over Hodges Bayou on Old IL 37 (originally IL 147, also called TR 78A)
Open to two-lane traffic
Built 1929

Karnak Bridge
Lost pony truss bridge over a branch of Cache River in Karnak
No longer exists

Karnak Railroad Bridge
Deck plate girder bridge over Old Channel Cache River on the Tunnel Hill State Trail northeast of Karnak in Karnak
Open to pedestrians and bicyclists only
Built 1905 by the King Bridge Co.