◀ Westbound to Sawyer’s River | Fourth Iron Bridge | Eastbound to Third Iron Bridge ▶
Sawyer River Bridge “Fourth Iron”
Looking west through the Fourth Iron trestle over the Sawyer River on the former Maine Central Mountain Division at Hart’s Location, New Hampshire. Taken on 15 October 2016, as autumn colours reached their peak along a route once traversed by the Boston & Maine’s famous “Around the Mountains” excursions. © Tom Field
Two ex-Boston & Maine F7s head south from Notchland over the former Maine Central Mountain Division during the Mass Bay RRE Snow Train excursion on 7 January 2023. © New Hampshire Railfan Photography
Conway Scenic No. 252 heads south (railroad east) across the Sawyer River on the Fourth Iron Bridge near Hart’s Location, New Hampshire. The shot was captured by Sky Rails in the White Mountain National Forest, an area named Fourth Iron for the historic Fourth Iron bridge. © Ken Houghton
Conway Scenic Railroad steam locomotive No. 7470 storms across the Fourth Iron Bridge over the Sawyer River, returning from Sawyer River on 4 January 2021. © Kevin Burkholder
Conway Scenic Railroad GP38 No. 255 crosses the bridge at Fourth Iron with the Sawyer train on 31 July 2022. © Patrick Donnelly
On 17 February 2025, Conway Scenic Railroad’s plow extra crosses Fourth Iron Bridge in Carroll County while clearing the former Maine Central Mountain Division for the next day’s Winter in Crawfords train. The consist includes Russell snowplow No. 4211, built for the Central Vermont and later used by the Lamoille Valley, pushed by Conway Scenic’s ex–Maine Central EMD GP38s 252 and 255. © South Coast Rail Videos & Media
Photographed on 1 November 2025 as the 470 Club excursion passed over Fourth Iron Bridge, heading west under GP9 1741’s lead. © Stephen Quill-Schuffels
Photographed on 1 November 2025 at Fourth Iron Bridge near Sawyer River, Bartlett, with B&M F-unit 4266 leading. © Kyle Petrin
◀ Westbound to Sawyer’s River | Fourth Iron Bridge | Eastbound to Third Iron Bridge ▶