The Dalguise Viaduct is a lattice girder viaduct in Dalguise, Perth and Kinross, Scotland.^[1] It carries the Highland Main Line railway across the River Tay. Built in 1863, it was designed by Joseph Mitchell, for the then-new Inverness and Perth Junction Railway.^[2] A Category A listed structure,^[2] it stands about 0.44 miles (0.71 km) north of the now-disused Dalguise railway station.

Dalguise Viaduct
Main span of the viaduct from the western side of the River Tay
Coordinates	56°36′45″N 3°38′21″W / 56.61260°N 3.6390851°W / 56.61260; -3.6390851
Carries	Highland Main Line railway
Crosses	River Tay
Locale	Dalguise, Perth and Kinross
Other name(s)	River Tay Viaduct
Characteristics
Design	Lattice girder
Material	Iron
History
Opened	1863; 161 years ago (1863)
Location

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Location of Dalguise Viaduct in Perth and Kinross

The viaduct is in two parts; the southern one being 210 feet (64 m), the northern 141 feet (43 m). The ironwork was supplied by Sir William Fairbairn & Sons, of Manchester.