Pine Island Drive Bridge

The Pine Island Drive Bridge is a historic Camelback-style bridge in Algoma Township, Michigan, carrying Pine Island Drive over the Rogue River It is believed to be the last remaining concrete rainbow arch bridge in the United States. The bridge, which is 100 feet long and 20 feet wide, was designed by Charles A. Melick and completed in 1924 under the direction of engineer Peter Brill. The bridge was designated a state historic landmark in 2012.