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photo of bridge

View west from below eastern abutment

More detail photos

OFFICIAL NAME:
Bridge No. 2 Dilworth Run

OTHER DESIGNATION:
Ohio River Boulevard over Dilworth Run

LOCATION:
Avalon - Bellevue

USGS 7.5" Topo Quad - UTM Coordinates:
Pittsburgh West - Zone 17; 0579 4482
CARRIES:
Ohio River Boulevard [PA65]

BETWEEN:
-- Home Av
-- Riverview Av

CROSSES:
-- Dilworth Run
-- West Bellevue Rd [formerly West St] (closed)


TYPE OF CONSTRUCTION / DESIGN:
Deck open spandrel concrete arch



LENGTH OF MAIN SPAN:
150 ft (1 arch span, plus approaches)

TOTAL LENGTH (including longest elevated ramp):
307 ft

HEIGHT OF DECK:



YEAR ERECTED / ENGINEER:
1930, Allegheny County


ADDITIONAL INFO:
In 1980, the metal builder's plaques were removed from the railings and mounted on the concrete barriers on each side:

ALLEGHENY COUNTY
BRIDGE NO. 2 DILWORTH RUN
ERECTED 1930

COMMISSIONERS
JOS. G. ARMSTRONG, CHAIRMAN   E. V. BABCOCK    CHAS. C. McGOVERN

DEPARTMENT OF PUBLIC WORKS
DIRECTOR NORMAN F. BROWN   CHIEF ENGINEER V. R. COVELL

CONTRACTOR BOOTH & FLINN COMPANY




from the PennDOT Historic Bridges Survey:
"The bridge carries a 4 lane highway and 2 sidewalks over a stream and local road on the north bank of the Ohio River in a setting dominated by modern, franchise commercial development. It was built as part of the Ohio River Boulevard, the highway designed to speed traffic to the McKees Rocks bridge. The highway has lost integrity due to alterations to its original geometry and roadside features as well as extensive modern development along it. Neither the highway nor the setting have historic district potential.

The 1930, 307'-long, reinforced concrete, ribbed, open spandrel deck arch has a 150'-long main span and slab approach spans supported on concrete abutments and concrete column and cap bents. In 1980 the bridge was widened by the removal of the original cantilevered deck sections and balustrades and placement of wider cantilevered deck sections with plain bracketed supports and safety shape barriers at the roadway curbs. Four spandrel columns were also replaced. The sidewalks are finished with chain link fence pedestrian barriers. Most of the columns have been shotcreted. Neither the bridge nor its setting and context are historically or technologically significant due to extensive alterations."


FIELD CHECKED:
05-Jul-2000

INFO SOURCES:
field check, PennDOT Historic Bridges Survey


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Introduction -- Nearby Structures


Page created:
Last modified: 06-Oct-2004

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