It crosses the Monongahela River and intersects Interstate 579 (the Crosstown Boulevard) at its northern terminus.

The Liberty Bridge is a steel cantilever bridge and was created as the missing link between downtown Pittsburgh and the Liberty Tunnel, which had been built four years earlier in 1924 as a link to the South Hills.

[citation needed] It was renovated in 1982 by the Dick Corporation, at a cost of $32 million.

[4][5] Intense heat from burning plastic piping had caused a 30-foot (9 m) steel beam (compression chord) to buckle.

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