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Archertown Road Culvert

 

Orford, New Hampshire

Study, design, and construction phase engineering for Bridge No. 095/118 on Archertown Road. Services included alternatives evaluation and recommendations to replace the existing bridge, state and federal permit application assistance, preparation of final engineering plans and specifications, assisting the Town during the bid phase, and providing the Town with construction administration services.

The previous Archertown Road Culvert was a 15-foot-long metal plate arch culvert with inadequate (nonexistent) approach guardrails, substandard bridge rail, and a Federal Sufficiency Rating of 69.6%. Deficiencies included a low load carrying capacity (6-ton) weight restriction, “one lane” bridge width, and failing stone headwalls and wingwalls. This bridge was on the NHDOT Redlist.

A detailed study is has been performed that evaluated cost-effective replacement options. DuBois & King provided design and construction phase services for a new 28-foot-long, two lane, 3-sided precast rigid frame replacement structure. The project received funding through the NHDOT Municipal Bridge Aid program and followed the NHDOT Local Public Agency (LPA) process.

  • Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert
  • Archertown Culvert Archertown Culvert

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