Bridges and Tunnels of Allegheny County and Pittsburgh, PA

Regional Maps

USGS 7.5' topographic quadrangle map coverage of Allegheny County
Structures on pghbridges are indexed by USGS topo quad and UTM (Universal Transverse Mercator) grid. This map links to Structures Listed by Location.

Use table below for maps showing UTM grid for each topo quad.
Download higher resolution USGS maps from PASDA

Wider red lines are Interstate highways.
Other colored lines indicate Allegheny County Belt Route System.

MAPS ON THIS SITE

The Overview Map plots structures within Allegheny County onto a Google Map.

The table below links to small images of the USGS 7.5' topo quads showing UTM grid; full color area on these maps indicates Allegheny County; (approx 200k jpg each)

	BADEN	MARS	VALENCIA	CURTISVILLE	FREEPORT
ALIQUIPPA	AMBRIDGE	EMSWORTH	GLENSHAW	N. KEN WEST	N. KEN EAST
CLINTON	OAKDALE	PGH WEST	PGH EAST	BRADDOCK	MURRYSVILLE
	CANONSBURG	BRIDGEVILLE	GLASSPORT	MCKEESPORT
			MONONGAHELA	DONORA

ALLEGHENY COUNTY

visit site - Allegheny County GIS Viewer (Geographic Information Systems)
visit site - Allegheny County municipalities map
showing all 130 municipalities, with links to information about each.

ON-LINE MAP SERVERS

Google Maps
visit site - Pittsburgh

Pennsylvania Spatial Data Access
visit site - environmental and GIS data products listing
visit site - downloadable USGS 7.5' topo quads of Pennsylvania
visit site - downloadable USGS 7.5' topo quads of Pennsylvania (updated editions after 1983)

MapQuest digital maps
visit site - Pittsburgh

Windows Live Local
visit site - Pittsburgh region

USGS 15' topo quad coverage of Allegheny County
Green labels (green outline) indicate 15 minute series used for historical (c1900) USGS topo quads;
Black labels (grey outline) indicate 7.5 minute series USGS topo quads.

Maptech -- Historical (c1900) USGS 15 minute topo quad
visit site - USGS 15' topo quads of Pennsylvania (PASDA)
visit site - browsable USGS 15' topo quads of Pennsylvania (cut into quarters)

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Page created:
Last modified: 13-Jun-2008