№ 1343-1346. Architectural constructons. Bridges.

Arched bridge is a bridge with spans bearing arches as the main load-carrying structures.

The main peculiarities of arched bridges are that their thrust is not only vertical, but also horizontal and arches predominantly work for pressure.

Arched bridges are usually constructed for ride at their upper side; their construction is light and they are architecturally bright.

Stamps represent vivid examples of such bridges in Russia : Sartakov bridge across Oka river in Nizhny Novgorod; bridge across Irtysh river in Khanty-Mansiysk; viaduct across the valley of Matsesta river in Sochi ; bridge across Don river in Rostov-na-Donu.