520 floating bridge

Elaine Thompson / Associated Press

The state Transportation Department says more repairs are needed on a key pontoon that will anchor the east end of the new Highway 520 floating bridge on Lake Washington in Seattle.

Elaine Thompson / Associated Press

A construction vessel working on a new Highway 520 floating bridge on Lake Washington at Seattle may be responsible damaging an anchor cable on the existing bridge.

The Transportation Department says the area around the bridge is restricted, except for construction vessels.