Florida East Coast Railway

Bow Channel Historic Bridge (Monroe County, Florida)
Built ca. 1908-12 for use by the Overseas Railroad, converted to highway use (US 1) in 1938, made obselete by new bridge in 1982, converted into a pedestrian bridge in 2001
Closed-spandrel arch bridge over Bow Channel on an old alignment of the Overseas Railroad/Highway (US 1); presently the Florida Keys Overseas Heritage Trail
Open to pedestrians

FEC Bahia Honda Bridge (Monroe County, Florida)
Built 1912, converted to highway use in 1938; Abandoned 1972.
Railroad through truss bridge over Bahia Honda Channel on the former Florida East Coast Railway
Derelict/abandoned

FEC Loxahatchie River Bridge (Palm Beach County, Florida)
Bridge over Loxahatchie River on Florida East Coast Railway
Open to traffic

FEC St. Johns River Bridge (Duval County, Florida)
Built 1925, replaced a single-track swing bridge originally built in 1890
Through truss bridge w/Strauss Trunnion bascule lift span over St. Johns River in Jacksonville
Open to traffic

FEC St. Lucie River Bridge (Martin County, Florida)
Deck plate girder bridge over St. Lucie River on Florida East Coast Railway
Open to traffic

Long Key Viaduct (Monroe County, Florida)
Built ca. 1908-12 for use by the Overseas Railroad, converted to highway use (US 1) in 1938, made obselete by new bridge in 1982, converted into a pedestrian bridge in 2001
Closed-spandrel arch bridge over Long Key Channel on Florida East Coast Railway (prior to 1935), Old US 1 (up to replacement), and presently the Florida Keys Overseas Heritage Trail
Open to Pedestrians as part of the F.K.O.H.T.

Old Seven Mile Bridge (Monroe County, Florida)
Originally built by the railroad in 1912. Replaced 1982 with a modern bridge, but most of the original bridge (with a few spans removed for shipping) intact. Part of the bridge now used for fishing.
Concrete Arch and Deck Girder bridge over Moser Channel on Old US 1 with a through truss swing span (removed), now used as a Fishing Pier and observation deck in Marathon