Alpena County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Ninth Street Bridge9th Street over Thunder Bay RiverReplaced by a new bridgePratt through truss--1971----
North Branch Thunder Bay River BridgeWikaryasz Road over North Branch Thunder Bay RiverNo longer existsPony truss1921200238.775.8
Second Avenue BridgeSecond Avenue over Thunder Bay RiverOpen to trafficOther1939--127.0261.8
Werth Road-Mud Creek BridgeWerth Road over Mud CreekOpen to trafficConcrete tee beam1928--24.026.9