This overpass bridge is noted for its deep, heavy beams and curved design.
Total length given is the length of bridge structure. If the southern approach ramp (which is not a bridge but has the same railing as the bridge) is included the total length is about 393 feet.
Information and Findings From Ohio's Historic Bridge Inventory
The bridge carries a 2 lane street over a 4-lane
parkway in a setting of late 19th to early 20th century
commercial/residential development in the West End Community section of
Cincinnati. Central Parkway is a 4-lane boulevard with sidewalks and
grass verges. The parkway is cut into a shelf on the side of the hill.
The downhill side of the boulevard has concrete balustrades. The uphill
side is a concrete retaining wall set into the side of the hill. At the
western end of the viaduct is a commercial district of 3 to 4-story
buildings dating by style to ca. 1880-1920. The commercial district
appears to have historic district potential. At the eastern end of the
viaduct is a residential area of buildings dating ca. 1900-1930, but
with numerous modern alterations/additions. The residential area to the
east does not appear to have the consistency or integrity of a potential
The skewed, 7 span, 110'-long, continuous T beam bridge has concrete balustrades and is supported on reinforced concrete bents. The bridge is built on a vertical profile that slopes steeply downhill from east to west. The western end of the bridge is built on a horizontal curve with the fasciae beams curved to match the profile of the roadway. The framing pattern of the interior beams and bent caps varies in angle from span to span to handle the skew and the curve in the street. The bridge has period light standards with fluted posts and luminaires that are either original or good replicas of the original.
Concrete parapet with tubular handrail and safety-shape roadway face has been placed inside of the original balustrades. Chain link fences have been added to the main spans.
Summary of Significance
The Colerain Viaduct is historically significant in association with Cincinnati's Central Parkway/Cincinnati Subway, an ambitious multi-modal project that has come both to symbolize the success of the city's 1907 master park plan, designed by noted landscape architect George E. Kessler, as well as the equivocal attempts to come to terms with traffic congestion, in which a well-intentioned mass transit plan fell victim to high cost and the automobile (Criteria A & C). The viaduct is an integral part of a larger resource that includes the parkway, subway tubes, and stations. The bridge is also a good example of the T beam bridge type/design, and although not individually significant for its technology, it illustrates the adaptability of reinforced-concrete to form a bridge with curved beams to match the horizontal curvature of the roadway and form a viaduct with relatively pleasing lines in keeping with the parkway setting.
The bridge is a common type that derives its significance from its historic association with Cincinnati's Central Parkway.
Bridge Considered Historic By Survey: Yes
Coordinates (Latitude, Longitude):
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