State Highway 87 or SH 87 runs for 249.4 miles (401.4 km) between Galveston, Texas (at a terminus shared with Interstate 45 and Spur 342) to U.S. Highway 59 and U.S. Highway 84 in Timpson, Texas.Highway 87 has a notable stretch between Sea Rim State Park and High Island, Texas that has been washed out repeatedly over the decades and has been closed continuously since 1990. Portions of this stretch were less than 100 feet (30 m) away from high tide in the 1990s.