Ribbon cutting at West Old Mill Road Bridge

A ribbon cutting was held on Monday, Jan. 4, at the West Old Mill Road Bridge, located on Old Mill Road between North Porchuck Road and Round Hill Road.

The ribbon cutting was held to celebrate the rehabilitation project of the West Old Mill Road Bridge, over the east branch of the Byram River.

PROJECT HISTORY:

Old Mill Road is classified as a local road and the bridge carries West Old Mill Road over the East Branch Byram River.

The bridge was built in 1937 and reconstructed around 1960.  The bridge has an overall length of 17 feet and carries two lanes of traffic over the East Branch of the Byram River, there are no sidewalks or curbs.  The reconstructed bridge consists of a reinforced concrete slab on steel stringers.   The steel stringers are supported by cement rubble masonry abutments with a concrete backwall.  A false stone arch fascia, integral with the stone parapet, is also supported by the abutments.  The existing bridge was lacking safety features; there was an outdated metal pipe railing system in place and only one approach had guiderail leading up to the bridge.  The bridge is on a curve in the road and had been struck several times by vehicles.

The bridge project began in July 2015 and lasted approximately six (6) months.  The road was closed to traffic throughout construction.  The bridge rehabilitation consisted of:

  • Removal of the existing stone parapets and metal railing and replacing them with new reinforced concrete parapets with masonry facing.
  • Repairs to the concrete deck.
  • New waterproof membrane on the concrete deck.
  • Sandblasting and painting of the existing steel stringers.
  • Repointing of the existing cement rubble masonry abutments and wingwalls.
  • Installation of approach guiderail, including extending the existing guiderail around the curve on the northeast approach.
  • Installation of additional warning signs for the curve.

The bridge project was administered and inspected by the Town of Greenwich Department of Public Works.  The bridge replacement was designed by WMC Consulting Engineers, Inc. of Newington, CT.  The bridge replacement was constructed by NJR Construction, LLC of Torrington, CT with a total construction contract amount of $627,105.00.

WOldMillBridge

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