Favorite this☆ Swing bridge Description: View of movable bridge that pivots horizontally on a central pier; tugboat travels on river or canal under swing bridge; several pedestrians stand on rotated bridge; truss bridge in background. Recorded in glass negative ledger: "D/River." Details Resource ID: EB02g505 Subject: Bridges, Movable Truss bridges--Michigan--Detroit Towboats--Michigan--Detroit Glass negatives Date Issued: Unknown year Format: 1 negative : glass ; 4 x 5 in. Member of: Burton Historical Collection Negative Number: BHC glass neg. no. 4826 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.