Spanish Harbor Key. Unlike other bridges on the Overseas Railway, the Bahia Honda has a steel truss construction. This was a necessary difference from the predominant concrete arch form of the other bridges of the Overseas Railroad, as the channel is the deepest of those spanned, at . The central span is a Parker truss with a span of . This is surrounded by 13 Pratt truss sections spanning on either side, and 13 smaller Pratt trusses each spanning outside those. Nine plate girder sections were used for the western approach, for a total length of . The smaller Pratt trusses have riveted connections, but the larger Pratt and Parker trusses use pinned connections, making the Bahia Honda Rail Bridge the longest pin-connected truss bridge in the U.S. The original construction of the bridge was carried out by William Krome and Joseph Meredith, and the vehicular conversion was undertaken by B.M. Duncan. Gallery See also Overseas Railroad Overseas Highway Bahia Honda Key History of the Florida East Coast Railway References Bridges in Monroe County, Florida Former railway bridges in the United States Railroad bridges in Florida Florida East Coast Railway Steel bridges in the United States Bridges completed in 1912 1912 establishments in Florida Landmarks in Florida Road bridges in Florida Former road bridges in the United States U.S. Route 1 1972 disestablishments in Florida Plate girder bridges in the United States Pratt truss bridges in the United States Florida Keys