Lafayette Street Bridge - Bay City MI "This new double-leaf bascule bridge at Lafayette Street crosses the East Channel of the Saginaw River to middle ground from whence a nine-span, concrete-arched girder bridge without a draw crosses West Channel, both bridges being included in this project. They replace an old truss bridge which had been posted for not more than 1 1/2 tons load and thus eliminate a bottle neck in traffic. The double-leaf bascule bridge is 447 feet long, providing a 150 foot clear channel, and the girder bridge is 522 feet long. The project was completed in March 1939 at a construction cost of $550,925...