NASA

NASA Causeway (Brevard County, Florida)
Built 1964
Deck plate girder bridge over Indian River on NASA Causeway
Open to traffic

NLAX - Jay-Jay Bridge (Brevard County, Florida)
Built 1963; Deteriorated span replaced 1987.
Bridge over Indian River on NASA Railroad
Open to traffic

Stennis Space Center Drawbridge (Hancock County, Mississippi)
Built 1965
Warren pony truss double leaf bascule bridge over Canal on MS-607 (Shuttle Parkway)
Restricted access - entry into NASA required