Waldo County

Ducktrap River Bridge   [Map]
Lost Concrete tee beam bridge over Ducktrap River on US 1
Replaced by new bridge
Lower deck built in 1920; upper deck built in 1932; Replaced in 1999
Memorial Bridge   [Map · Street View]
Steel stringer bridge over Passagassawakeag River on a pedestrian trail (former Route 1) in Belfast
Open to traffic
Built 1921, reopened as a pedestrian bridge in 2010
MMA Loggin Road Overpass   [Map · Street View]
Steel stringer bridge over Loggin Road on Bangor & Aroostook
Open to traffic
Built 1905
MMA Mount Waldo Road Overpass   [Map]
Steel stringer bridge over Mount Waldo Road on Railroad (MMA)
Open to traffic
Built 1905
MMA Old Belfast Road Overpass   [Map · Street View]
Girder bridge over Old Belfast Road on Railroad (MMA)
Open to traffic
Built 1905
MMA Penobscott River Bridge   [Map · Street View]
Deck plate girder bridge over Penobscott River on Bangor & Aroostook Railroad
Built 1905
MMA Sandy Point Road Overpass   [Map · Street View]
Girder bridge over Sa 1-D Town Way on Bangor & Aroostook
Open to traffic
Built 1905
MMA US1 Overpass   [Map · Street View]
Pony/through plate girder bridge over Us 1 & Route 3 on Railroad (MMA)
Open to traffic
Built 1960
MMA US1A Overpass   [Map · Street View]
Girder bridge over US 1A on Railroad (MMA)
Open to traffic
Built 1951
Penobscot River Bridge   [Map · Street View]
Cable-stayed bridge over Penobscot River on US Hwy 1 & 3
Open to traffic
Built 2006
Waldo-Hancock Bridge   [Map · Street View]
Demolished suspension bridge over Penobscot River on former US 1 in Prospect
Demolished, despite not being in the way of anything.
Built 1931; bypassed by new bridge 2006-07; Demolished 2012-2013.