County Bridge No. 101
Why it's listed
Built in 1918, County Bridge No. 101 is a stone arch bridge carrying Wagontown Road across Brandywine Creek in Valley Township, Chester County, Pennsylvania. The structure is 250 feet long and has four main spans of 40 feet each, with the sidewalks and parts of the masonry finished in light grey stone. Its arches are stilted, a shape that gives the bridge a taller, more slender profile than most stone bridges of its type. The Corcorn Construction Company is named as the builder. Its stilted arch design is the reason for its listing, as it is regarded as an unusual approach to stone arch bridge construction with clear engineering interest. Piers extended on the upstream side are noted as a distinctive feature. The bridge has not been altered, and it retains excellent integrity from its original construction. It was listed under the Highway Bridges Owned by the Commonwealth of Pennsylvania multiple resource group.
Significance in brief: The nomination argues the bridge is significant in engineering for its stilted arch design, which gives it a more attenuated appearance than most stone bridges in the thematic group. The bridge is unaltered and is said to retain excellent integrity.
Machine-generated summary. This summary was generated by a language model from the official nomination document and has not been reviewed line by line by an editor. It may contain errors. Check the source document before relying on any detail. Source: nomination document (PDF) · National Archives catalog entry. NRHP reference 88000780, listed June 22, 1988. Summary generated October 2026 (model claude-haiku-5-5, prompt v1.1-2026-10-29, confidence medium).
Key facts
| Address | Wagontown Rd. over Brandywine Creek, Rock Run |
|---|---|
| County | Chester County |
| Listed | June 22, 1988 |
| Reference number | 88000780 |
| Resource type | Structure |
| Architect / builder | Corcorn Construction Co. (builder) |
| Areas of significance | Engineering |
| Level of significance | State |
| Status (as stated in the nomination) | Unaltered; retains excellent integrity |
| Acreage | 0.9 |
| Coordinates | 39.99147, -75.83084 (NPS GIS) |
What listing means for this property
For a publicly owned building or structure, listing mainly matters when federal funds, permits or licences are involved: projects then go through Section 106 review so effects on the property are considered. Listing also strengthens applications for preservation grants and, for leased income-producing uses, can enable the federal rehabilitation tax credit.
General information, not legal or tax advice. Rules change; confirm with your State Historic Preservation Office or a qualified adviser.
Sources and further reading
- National Park Service, National Register of Historic Places database (snapshot May 2026), reference 88000780.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q5177627
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.