Design

Another Popular Oddity

That’s the Turn-of-River Bridge in Stamford, Connecticut. (Photo courtesy of Magicpiano.) Putting aside anything I have to say about the structure, that’s a fantastic name for a bridge. It’s (obviously) quite small and has been converted from a road bridge to a footbridge on a trail, but it’s looking okay for a neglected 1893 bridge. …

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Sit Up And Take Notice

That’s a little bridge over a little creek. It was built in 1913 to carry an interurban trolley over Jowler Creek near the small town of Camden Point, Missouri. The route of the trolley is now Interurban Road, and after the trolley company failed in 1933, the bridge was converted to carry car traffic. Interurban …

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A Bridge Seen Out Of Context

That beauty is the Fort Point Channel bridge for the New Haven Railroad, part of the final approach to Boston’s South Station when built in 1898, and still serving in that capacity today. Fort Point Channel separates the center of Boston from South Boston, and the trains on this line are now all commuter trains …

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Another Weirdo

That’s the 1871 Ponakin Road Bridge over the Nashua River near Lancaster, Massachusetts. It’s not unique but it’s close enough that I’ve never seen this particular form before. The HAER description calls it a “Post truss,” named after Simeon Post. Supposedly these were common in the 1860s and 70s, which means most of the bridges …

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Kings and Queens

The short version: a king-post truss is basically a gable with a post in the center; a queen-post truss has two posts and with a rectangular panel between them. There are all sorts of variations on both themes, but here’s a pair of bridges to provide a nice visual comparison. First, the 1918 Marlow Road …

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