There is one summary for H.R.1942. Bill summaries are authored by CRS.

Shown Here:
Introduced in House (01/13/1977)

Revises the definition of "bridge" for purposes of programs relating to the availability of Federal funds for the alteration of bridges obstructing navigation to include within such definition bridges which were lawful at the time of their construction but whose elevation has changed through no action or fault of their owners or users.