it took from 1978 to 1982 to build the 7 mile bridge in the keys.
it took from 1978 to 1982 to build the 7 mile bridge in the keys.
how long did it take to build the 7 mile bridge in the keys?
from 1978 to 1982
the current road bridge was constructed from 1978 to 1982.









































the vast majority of the original bridge still exists, although the swing span has been removed. the 2.2-mile section to pigeon key, used as a fishing pier and long open to motorized vehicles to give access to the key, was closed to motorized traffic in 2008 after the unsupported sections began to sag. in 2014, the florida department of transportation approved a $77 million plan to restore the old bridge. by 2017 the pedestrian section was closed, with extensive repairs predicted to be finished by about late 2021.









































section::::engineering.
seven mile bridge
seven mile bridge









































the seven mile bridge is a bridge in the florida keys, in monroe county, florida, united states. it connects knight's key (part of the city of marathon, florida) in the middle keys to little duck key in the lower keys. among the longest bridges in existence when it was built, it is part of the overseas highway in the keys, which is part of the u.s. route 1.
seven mile bridge