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Brandywine Bridge

Brandywine Bridge

Primary Photographer(s): Elaine Deutsch

Bridge Documented: 2008

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Facility Carried / Feature Intersected
Strasburg Road Over West Branch Brandywine Creek
Mortonville: Chester County, Pennsylvania: United States
Structure Type
Stone Segmental Deck Arch, Fixed
Construction Date and Builder / Engineer
1826 By Builder/Contractor: Wilson
Rehabilitation Date
Main Span Length
60.0 Feet (18.3 Meters)
Structure Length
220.0 Feet (67.1 Meters)
Roadway Width
26 Feet (7.92 Meters)
4 Main Span(s)
Inventory Number

Historic Significance Rating (HSR)
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Bridge Documentation

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

This bridge is one of the most visually attractive of the impressive collection of stone arch bridges in Chester County. A multi-span structure with spans of varying size, the bridge as of 2008 retained good historic integrity. While it is excellent to see that the bridge management plan recommended its preservation and outlined a rehabilitation project for this bridge, it is unfortunate that bringing the bridge's functional sufficiency to a reasonable level required making the deck cantilevered. This implied that the original railing system must be removed and it substantially changes the appearance of the bridge when viewed from anywhere but on the roadway, since instead of having a single uninterrupted wall of stone on the sides, the top portion of stone will hang out beyond the bridge. Alterations of this type should be avoided if at all possible in a stone arch rehabilitation project. However, if conditions truly do insist on a wider bridge, this really is the only viable way to widen the bridge without altering the entire bridge's design.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 4-span stone arch bridge built in 1826 is listed in the National Register (9/18/85).

Discussion of Surrounding Area

The bridge carries a 2 lane road over a stream at the rural mill village of Mortonville. The village has been determined a potential historic district by the PHMC (2/13/92).

Bridge Considered Historic By Survey: Yes

Information and Findings From Pennsylvania's Stone Arch Bridge Management Plan

Discussion of Bridge

The Mortonville Bridge is recommended for long-term preservation. It is ranked in the upper third of all bridges studied in this plan, and PennDOT is committed to maintaining this bridge. It is programmed on PennDOT's Transportation Improvement Program (TIP) for rehabilitation, which will correct its low condition and transportation codes. The bridge will feature a cantilevered deck, which will increase its current narrow deck width. The bridge is set in an area of low potential for additional development, where it should not experience a great increase in future traffic. Structurally, the bridge is largely intact and in good condition; rehabilitation costs are anticipated to be relatively inexpensive. The bridge has a very high cultural values code. It is listed in the National Register of Historic Places, contributes to a potential historic district, is part of a planned greenway, and is on the state designated Brandywine Scenic Byway. The bridge has received a great deal of public support, both during the development of this plan and as part of the Section 106 process, including several public meetings specifically held to discuss the bridge.


The Mortonville, Strasburg Road Bridge is owned by PennDOT and is ranked 39th.
Condition Code = 44 - low
Transportation Code = 35 - very low
Waterway Adequacy Code = 53 - moderate
Cost to Rehabilitate or Replace Code = 61 - very high
Anticipated Development Code = 58 - high
Recreational, Historical, and Cultural Values Code = 66 - very high
Public Input Code = 54 - moderate

Recommendation: Recommended for long-term preservation.


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Maps and Links: Brandywine Bridge

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Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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