WEST ALLIS, Wis. (WTAQ) - The Wisconsin Department of Transportation says it’s closing a bridge in the Milwaukee area to keep drivers safe. The heavily-traveled Highway 45 bridge in the Milwaukee Zoo interchange has been shut down by the state.

Truck drivers were reportedly ignoring postings that limited the bridge to 30 tons. A DOT spokesperson says despite enforcement efforts by the State Patrol, trucks weighing twice that kept using the bridge. That quickened its deterioration and increased worries about safety.

Drivers should plan for congestion and delays. A replacement bridge is under construction and is due to be opened Memorial Day weekend.