Tohma Bridge

Tohma Bridge (Turkish: Tohma Köprüsü), also known as Martyr Gaffar Güneş Bridge (Şehit Gaffar Güneş Köprüsü), is a road bridge in Malatya Province, eastern Turkey.

Tohma Bridge Tohma Köprüsü
Coordinates	38.50483°N 38.23863°E / 38.50483; 38.23863
Carries	Motor vehicles
Crosses	Karakaya Dam Reservoir
Locale	Tohma, Malatya Province, Turkey
Begins	2018
Other name(s)	Şehit Gaffar Güneş Köprüsü Martyr Gaffar Güneş Bridge
Characteristics
Design	Box girder bridge
Material	Prestressed concrete
Trough construction	Steel
Pier construction	Bored pile
Total length	517.5 m (1,698 ft)
Width	16.5 m (54 ft)
Height	21 m (69 ft)
Longest span	34.5 m (113 ft)
No. of spans	15
No. of lanes	2
History
Contracted lead designer	Ziver İnşaat Co.
Constructed by	PYES Co.
Inaugurated	6 February 2021; 4 years ago (2021-02-06)
Location

The bridge crosses the Karakaya Dam reservoir on the State road D.875 between the provinces Malatya and Sivas.^[1] It is to connect Eastern Anatolia and Southeastern Anatolia regions with Black Sea Region via Malatya.^[2]

Started in 2018, it was designed as a box girder bridge and built with prestressed concrete using incremental launch method by PYES Co. under the contractor Ziver İnşaat Co.^[2][3] For the construction of the bridge were 12,000 m³ (420,000 cu ft) concrete, 2,700 tons steel for girders of 3 m × 16 m (9.8 ft × 52.5 ft) dimension and 4,360 m (14,300 ft) bored pile used. It features seismic base isolators on both ends to withstand earthquakes.^[2] Opened on 6 February 2021, the bridge is 517.5 m (1,698 ft) long, 16.5 m (54 ft) wide and 21 m (69 ft) high with a total of 15 spans of 34.5 m (113 ft).^[1][2][3] It carries two lanes in each direction.^[1]