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McCauley Road Bridge

McCauley Road Bridge

Primary Photographer(s): Elaine Deutsch

Bridge Documented: July 1, 2016

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Key Facts

Facility Carried / Feature Intersected
McCauley Road Over Basin Run
Rural: Cecil County, Maryland: United States
Construction Date and Builder / Engineer
1884 By Builder/Contractor: Unknown and Engineer/Design: Charles H. Latrobe

Technical Facts

Rehabilitation Date
Main Span Length
53 Feet (16.2 Meters)
Structure Length
56 Feet (17.1 Meters)
Roadway Width
10.5 Feet (3.2 Meters)
1 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

View Historic Bridge Inventory Sheet For This Bridge

This pony truss is noted for its use of v-lacing instead of cover plate on the top chord and end posts.

The Historic Bridge Inventory notes that a number of 1880s truss bridges in this area were designed by noted engineer Charles H. Latrobe, and suggests this bridge may have been a part of that design effort, although no records confirming that were noted. However, HistoricBridges.org compared this bridge to another bridge confirmed to be associated with Charles H. Latrobe, the New Bridge, and noted two uncommon details shared by these bridges. V-lacing on both bridges does not overlap. Meaning each lacing bar has its own rivet, and do not "share" rivets at each end with the next lacing bar. Rather, there are two rivets side-by-side, one for each bar. Also, the vertical members on both bridges have riveted plate on the sides, an unusual detail to strengthen the member. These details are unusual enough that it seems quite plausible that Charles H. Latrobe was involved with this pony truss.

The bridge has a significant number of rivets that were replaced with bolts.


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