The Deer Isle Bridge encountered wind stability problems that were similar to a bridge found in which U.S. state?
Deer Isle Bridge The Deer Isle Bridge is a suspension bridge spanning Eggemoggin Reach in the state of Maine. The bridge is the only vehicular connection from the Maine mainland to Little Deer Isle, one of the segments that make up the island. The span was completed in March 1939 with a main span of 329 meters (1,088 ft). The bridge was designed by Holton Duncan Robinson and David Bernard Steinman. It encountered wind stability problems that were similar to those of the Whitestone Bridge and the original Tacoma Narrows Bridge, which collapsed shortly after it opened. The problems led to modifications which included numerous cable stays connecting cables to the tower and tower to the deck. The span today carries two narrow lanes of State Route 15.
Fallston Bridge The Fallston Bridge is a historic structure that crosses the Beaver River between the boroughs of New Brighton, and Fallston, Pennsylvania. The bridge was opened in 1884 to replace a tolled, wooden 1836 structure that was destroyed during a major flood. Crossing under a low-clearance railroad underpass on one side of the river and featuring a sharp approach ramp on the opposite shore, the dated structure is insufficiently designed for modern traffic and is often hazardous during rainy conditions. Although it was rehabilitated in 2003, the bridge still received only a 2 out of 100 rated from the Department of Transportation in terms of its structural status.