Kommunalny Bridge, Road and rail bridge in Biysk, Russia

The Kommunalny Bridge spans the Biya River with railway tracks and vehicle lanes running across its deck at the same time. This combined structure allows both types of traffic to function side by side while linking different areas of Biysk.

The first permanent bridge over the Biya, it opened officially in 1965, though pedestrians and some cars used it from 1964. It linked Kommunarsky Lane on the right bank with Shishkov Street on the left. Construction faults, including rotten temporary wooden bearings, and a tram line on the deck caused early decay; emergency repairs came in 1991-1992, and a full overhaul ran from 2002 to 2006.

The bridge carries the Chuysky Trakt, the road to the Altai mountains, and its name comes from Kommunarsky Lane on the right bank, which it links to Shishkov Street on the left. A tram line once ran across the deck; its weight contributed to the damage that forced the 1991–1992 emergency closure.

Pedestrians can cross the bridge while trains and vehicles move simultaneously, which requires careful attention. It is advisable to watch vehicle movements and stay within designated pedestrian areas.

The bridge's deck was laid on temporary wooden pads because movable bearings were never installed; after 25 years the pads rotted, the slabs dropped onto the concrete girders and began to crumble where they touched. Tram service on the bridge worsened the damage, and the structure was closed for emergency repairs in 1991–1992.