2015 - Arizona - 1000Places
The traffic of the early 1900s -- mostly Model Ts -- drove over the top of the Roosevelt Dam, but in 1990, a new bridge was constructed beside the dam.  It is the longest two-lane, single-span, steel-arch bridge in North America.


The traffic of the early 1900s -- mostly Model Ts -- drove over the top of the Roosevelt Dam, but in 1990, a new bridge was constructed beside the dam. It is the longest two-lane, single-span, steel-arch bridge in North America.

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