State Route 3104 (Allegheny County, Pennsylvania)

McKees Rocks Bridge
Coordinates	40°28′37″N 80°02′56″W / 40.47704°N 80.0489°W / 40.47704; -80.0489Coordinates: 40°28′37″N 80°02′56″W / 40.47704°N 80.0489°W / 40.47704; -80.0489
Carries	SR 3104 / Blue Belt 3 lanes of roadway
Crosses	Ohio River
Locale	McKees Rocks, Pennsylvania
Characteristics
Design	Through arch bridge
Total length	7,293 feet (2,223 m)
Longest span	750 feet (228.6 m)
Clearance below	100 feet (30 m)
History
Opened	1931
McKees Rocks Bridge
U.S. National Register of Historic Places
Pittsburgh Landmark — PHLF
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Location	SR 3104 over Ohio River at Brighton Heights and McKees Rocks, Pennsylvania
Built	1931
Architect	Covell, V. R.
Architectural style	Other
MPS	Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR
NRHP Reference #	88002168
Significant dates
Added to NRHP	November 14, 1988
Designated PHLF	2003

The McKees Rocks Bridge is a steel trussed through arch bridge which carries the Blue Belt across the Ohio River at Brighton Heights and McKees Rocks, Pennsylvania, west of Pittsburgh.

At 7,293 feet (2,223 m) long, it is the longest bridge in Allegheny County.

Built in 1931, it was listed on the National Register of Historic Places in 1988.