Stevenson Dam Bridge

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Stevenson Dam Bridge
Stevenson Dam Lake Zoar.jpg
Carries 2 lanes of Route 34
Crosses Housatonic River
Locale Monroe and Oxford (Connecticut)
Official name Stevenson Dam Bridge
Maintained by Connecticut Department of Transportation[1]
(Owned by the Connecticut Light and Power Company)
ID number 1843
Design concrete arch
Total length 1213 ft
Width 42 ft
Opened 1919
Toll None

The Stevenson Dam Bridge carries Connecticut Route 34 over the Housatonic River in the U.S. state of Connecticut, connecting the town of Monroe to the town of Oxford.

The Stevenson Dam Bridge sits on top of the Stevenson Dam, constructed by the Connecticut Light and Power Company. It is a concrete span featuring 24 arches.[2] The current bridge was constructed in 1919 and is 1213 feet in length by 42 feet in width, featuring one lane in each direction for automotive traffic.

Historical Information[edit]

A prior, one lane wooden suspension bridge known as "Zoar Bridge" existed just south of the confluence of the Halfway River with the Housatonic, at what is now the Monroe/Newtown town line, about 3/4 mile upstream from the dam/bridge current location. The supports for the old bridge were inundated with the construction of the dam. This bridge was not the predecessor to the current Derby-Shelton Bridge.[3]


  • 1959 - New mercury vapor lights added, elimination of a sharp traffic approach.[4]
  • 2005 - The bridge was closed on five weekends in summer for repairs to the concrete decks.[5]
  • 2009 - A new bridge is planned for completion and has been bonded at $34 million.[6]


Coordinates: 41°23′00″N 73°10′17″W / 41.3832°N 73.1715°W / 41.3832; -73.1715