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Spring Grove Road Bridge

Spring Grove Road Bridge

Primary Photographer(s): Elaine Deutsch

Bridge Documented: September 30, 2011

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Key Facts

Facility Carried / Feature Intersected
Spring Grove Road (PA-1021) Over Conestoga River
Rural: Lancaster County, Pennsylvania: United States
Structure Type
Concrete T-Beam, Fixed
Construction Date and Builder / Engineer
1927 By Builder/Contractor: Ira J. Reighter Construction Company

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
42 Feet (12.8 Meters)
Structure Length
136 Feet (41.5 Meters)
Roadway Width
20 Feet (6.1 Meters)
3 Main Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

Pennsylvania has many surviving t-beams, but a lot of them follow a state standard balustrade railing. This bridge stands out as unusual because it uses a more ornate balustrade railing design. At three spans and 136 feet, it is a longer example as well. Many t-beams were constructed for very short single span crossings.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 3-span, 136'-long, reinforced concrete T beam bridge built in 1927 is supported on concrete cutwater piers and abutments. The bridge has concrete balustrades with urnshaped balusters. Paneled concrete parapets extend over the U-shaped wingwalls. It is a complete example of one of the state's most common bridge type/designs with over 2,300 examples from 1905 to 1956. It is not individually distinguished by its technology. The bridge is located in a potential historic district and is from the period of significance. It is evaluated as contributing to the potential historic district.

Discussion of Surrounding Area

The bridge carries a 2 lane road over a stream at a rural mill village complex that includes the late 18th to early 19th century Spring Grove Forge Mansion (NR-listed 1984) at the northwest quadrant and the 1868 Oberholtzer Mill at the northeast quadrant. The mill retains its machinery and waterpower system, although it is currently inactive. Other 19th century buildings, including a stone barn and carriage house, are located to the north on Spring Grove Road. A stone dam creating an impoundment for the mill is located upstream. A farm complex with a mix of 19th to late 20th century outbuildings is at the southeast quadrant. The setting has the significance and integrity of a historic district with a period of significance from its origins as the home of a prominent Lancaster County ironmaster family in the late 18th century through the period of active operation of the mill, which was still in full operation during the 1970s.

Bridge Considered Historic By Survey: Yes, Contributing


Photo Galleries and Videos: Spring Grove Road Bridge

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