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picture of bridge

View northwest (upstream to right, Monongahela River to left)

More detail photos

OFFICIAL NAME:


OTHER DESIGNATION:
Glassport-Elizabeth Rd over Wylie Run
glas595-13A, mcke595-7

LOCATION:
Elizabeth Twp - Lincoln

USGS 7.5" Topo Quad - UTM Coordinates:
McKeesport - Zone 17; 0595 4459
CARRIES:
-- Glassport-Elizabeth Rd [SR2001] [Lincoln Blvd]



BETWEEN:
-- north of Lovedale Rd [SR2010] and Atlantic Av

CROSSES:
-- Wylie Run


TYPE OF CONSTRUCTION / DESIGN:
stone arch
locally-quarried sandstone
outer spandrel wall: rock-faced coursed ashlar
upper walls and parapets: dressed coursed ashlar
arch ring: dressed voussoirs in segmental arch

LENGTH OF MAIN SPAN:
27 ft

TOTAL LENGTH (including longest elevated ramp):
63 ft
21 ft wide, between parapets

HEIGHT OF DECK:


YEAR ERECTED / ENGINEER:
1905, County of Allegheny
Charles Davis, county engineer
ADDITIONAL INFO:
This bridge exhibits the more common design features of the County's stone bridges -- parapets with rounded top and horizontal curves at the portals.

This is one of the few bridges of this type which includes a tablet listing the people responsible for its construction. The stone tablet is mounted on the upstream wall facing traffic and more than half buried in dirt. The tablet extends lower than the name of the engineer, but would require more serious digging in a dangerous location.

BUILT BY ALLEGHENY COUNTY
1905


J.C. MERCER
J.A. CLARK        COMMISSIONERS
JAS. EVANS

R.J. CUNNINGHAM      CONTROLLER
CHAS. DAVIS            ENGINEER
lower portion buried



After approximately one hundred years of service, the span appears to be in good shape. There are no weight limits and Glassport-Elizabeth Road is heavily traveled. But being so narrow -- 21 feet between stone parapets -- would seem to endanger the structure's future on a busy state road.



FIELD CHECKED:
29-Sep-2002

INFO SOURCES:
field check


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Introduction -- Nearby Structures


Page created:
Last modified: 10-Oct-2002

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