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November 1, 2022 37 mins

Kim interviews engineer Sean James, Senior Vice President at Hoyle, Tanner & Associates in Manchester about the Town Truss. This lattice truss design was first patented by Ithiel Town in 1820 and has since been regarded as one of the most significant developments in the history of covered bridges. Sean will explain why that is and tell us about some of New Hampshire’s Town Truss Bridges.

Links from the conversation

Hoyle, Tanner & Associates

Links for Covered Bridges of New Hampshire

Covered Bridges of New Hampshire

Photos of the Ashuelot Bridge

Photos of the Slate Bridge

Photos of the Haverhill Bath Bridge

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