Brush Creek CR 25 Bridge
Lost pony truss bridge over Brush Creek on CR 25
No longer exists

Cain Branch CR 232 Bridge
Pony truss bridge over Cain Branch on CR 232
Replaced by new bridge
Built 1925; replaced 2004

Little Medicine Creek Bridge
Lost pony truss bridge over Little Medicine Creek on Forbes Street
Replaced by new bridge
Built 1904; replaced 1994

Little River CR 33 Bridge
Pony truss bridge over a tributary of Little River on CR 33
Open to traffic

Little Weldon River CR 52 Bridge
Through truss bridge over Little Weldon River on CR 52
Open to traffic
Built ca. 1910; rehabilitated 1994

Medicine Creek CR 145 Bridge
Pony truss bridge over Medicine Creek on CR 145
Closed to all traffic

Medicine Creek CR 282 Bridge
Pony truss bridge over Medicine Creek on CR 282
Open to traffic
Built ca. 1910

Medicine Creek CR 284 Bridge
Through truss bridge over Medicine Creek on CR 284
Open to traffic
Built ca. 1910

Mercer County Road 162 Bridge
Plate girder bridge with wooden deck over the Union Pacific Railroad on CR 162
Open to traffic
Built 1901

Mill Grove Railroad Bridge
Through truss bridge over Weldon River on the Union Pacific Railroad at Mill Grove near Route D
Open to railroad traffic

Muddy Creek CR 160 Bridge
Pony truss bridge over Muddy Creek on CR 160
Replaced by new bridge
Built ca. 1910; replaced 2004

Muddy Creek CR 244 Bridge
Lost pony truss bridge over Muddy Creek on CR 244
No longer exists
Built ca. 1910; replaced 2002

Pops Branch Bridge
Lost pony truss bridge over Pops Branch on Emblem Road beyond the end of Route FF
Replaced by new bridge
Replaced 1999

Princeton Overhead Bridge
Lost(?) wooden bridge over the Union Pacific Railroad somewhere near Princeton
Lost

Route M Bridge
Wooden bridge over the Union Pacific Railroad on Route M
Open to traffic

West Fork Little River Bridge
Lost through truss bridge over West Fork Little River on Cher Road (CR 44)
Replaced by new bridge
Built ca. 1910; replaced 1994

Wildcat Creek CR 162 Bridge
Pony truss bridge over Wildcat Creek on CR 162
Closed to all traffic
Built ca. 1930

Wildcat Creek CR 163 Bridge
Through truss bridge over Wildcat Creek on CR 163
Closed to all traffic

Wildcat Creek CR 318 Bridge
Pony truss bridge over Wildcat Creek on CR 318
Open to traffic
Built ca. 1910