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Thomas Viaduct Railroad Bridge
Thomas Viaduct Railroad Bridge
ASCE National Historic Civil Engineering Landmark
ASCE National Historic Civil Engineering Landmark
The ASCE Maryland Section, is working to have a bronze plaque mounted near the viaduct to honor the designation. The plaque will be cast to look similar to the photo below and include the following wording:
NATIONAL HISTORIC
CIVIL ENGINEERING LANDMARK
THOMAS VIADUCT, MARYLAND
One of the earliest curved railroad viaducts in the United States. This eight-arch masonry structure required an innovative design to support the lateral loads and construction challenges because of the curvature. The viaduct was designed by Civil Engineer Benjamin Henry Latrobe, Jr. (1806-1878) and constructed by the Baltimore & Ohio Railroad. The viaduct was a critical link for the first rail line into Washington, DC and it continues to carry much heavier rail traffic.
CONSTRUCTED: 1835
ESIGNATED: 2010
Plaque Location
Plaque Location
We plan to mount the plaque on a boulder (similar to adjacent photo). We have located a boulder of the same granite that was used to construct the viaduct at the Woodstock Quarry. The plaque & boulder will be placed near the contact station along the Park Entrance Road in the Avalon Area of Patapsco State Park. The plaque will be placed in the landscaped beds, just behind two other markers, one of which is about the Viaduct. Our plaque will add context and significance to the viaduct by noting its historical and engineering significance. The location will be visible to all who visit the park.
Project Schedule
Project Schedule
The Maryland Section of the American Society of Civil Engineers is sponsoring this project. We are raising funds for the pedestal, mounting of the plaque, retention of a contractor, and for delivery. We expect that we will schedule and conduct an unveiling ceremony after the plaque is installed sometime in 2023. We are encouraging the local ASCE members, and railroad organizations, companies, and individuals to join us as we permanently honor and designate the Thomas Viaduct. We are soliciting funds to pay for:
Casting the plaque
Hauling the stone
Mounting the plaque to the stone
Placing the stone at the Park Site
Costs for the unveiling
Our fundraising goal is $3,500 to cover these expenses. Please consider a donation to help make the plaque a reality! We also invite your suggestions and participation as we plan the ceremony. All organizations that provide donations will be displayed and invited to the ceremony.
Contact Information
Contact Information
We welcome the opportunity to discuss this in more detail, please contact:
Ken Derrenbacher kderren@schnabel-eng.com
William Parks waparkssandp@gmail.com
Mike O’Conner mike@fplmuseum.org
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