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Grimes Road Bridge

   


Grimes Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 9, 2008
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Key Facts

Facility Carried / Feature Intersected
Grimes Road Over Toms Creek
Location
Rural: Frederick County, Maryland
Construction Date and Builder / Engineer
1914 By Builder/Contractor: York Bridge Company of York, Pennsylvania

Technical Facts

Rehabilitation Date
1994
Main Span Length
112 Feet (34.1 Meters)
Structure Length
112 Feet (31.4 Meters)
Roadway Width
12.5 Feet (3.8 Meters)
Spans
1 Main Span(s)
NBI Number
200000F-0510010

Historic Significance Rating (HSR)

Bridge Documentation

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

View The Historic Bridge Inventory Report For This Bridge

This bridge is a late example of a pin-connected through truss, and it is a traditionally composed bridge that displays a-frame portal bracing design. It was rehabilitated and the bridge has more alterations than some of the other rehabilitated bridges in the county. Many rivets around the connections were replaced with bolts, and the flooring system was replaced. Modern railings are present, and original railings do not remain. The overhead lateral bracing does not look original either. The sway bracing however, is original, has rivets, and bears the Lackawanna name on the steel. "Eastern" appears on some other bridge members.

Frederick County has large number of historic truss bridges, many rarer than this bridge, yet the county still chose to keep this attractive bridge standing and functional (as well as those rarer bridges too!). While this bridge's rehabilitation altered some parts of the structure, it remains historic and beautiful, far more than any modern replacement could ever hope to offer. Frederick County's widespread truss bridge preservation efforts raise serious credibility questions with other states (Like Pennsylvania) that claim that preserving even a single truss bridge is not feasible, let alone many truss bridges.

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