A large storm event overwhelmed the Plunkton Road Bridge. The bridge was damaged but stable enough to keep open until a new structure could be designed and constructed. D&K assessed the damage, surveyed the site, and provided the town with an evaluation of several options to replace the bridge. The project team also assisted with…
The Town of Bow needed to replace a 20-ft, rigid-frame culvert with inadequate scour protection, foundations, and geometry. The roadway serves heavy truck traffic and intersects with NH 3A, a state highway frequently used to bypass a tolled section of I-93 near the Interstate I-89 intersection with I-93. D&K designed a replacement structure to address…
The City of Montpelier needed to replace a 12-ft-high by 70-ft-long retaining wall located within several feet of a home and serving a low-volume residential road. D&K provided survey, civil, geotechnical, and structural engineering and permitting to replace the metal bin wall with a modular concrete block wall system. We also provided bid and construction…
Bull Run Road, a two-lane residential road abutting a perennial stream, underwent a slope failure during a large storm event. Heavy stream flows scoured the toe of the roadway embankment causing the roadway slope to fail and restrict capacity to one lane. The Town of Roxbury secured FEMA funds to evaluate the situation and implement…
A large storm event washed out most of the approach to one abutment and damaged the superstructure of the Green River Covered Bridge. The Town of Greenfield required long-term repairs and upgrades to this historic resource. D&K evaluated the structure, provided rehabilitation design and permitting assistance, and performed bid and construction contract administration and observation…
Along Otter Creek, a 160-ft-long, 20-ft-high slide occurred on the Gooseneck Bend Road embankment, disrupting the roadway’s stability. The Town of Weybridge secured FEMA funding and engaged D&K to evaluate the failure and design long-term improvements that armored the embankment along the roadway using stone armoring and plantings, stabilizing the immediately adjacent gravel road.
The Town of Richmond hosts a range of attractive walking and biking networks that require connectivity enhancements, such as the need for potential changes to signing, striping, and improved bicycle and pedestrian links between popular trails and roads. D&K prepared the second phase of the Richmond Bike Walk Trails Plan, which was unanimously endorsed by…
Newfane wished to address pedestrian sidewalks and crossings in the village. D&K assisted the town by developing an implementable plan to enhance connectivity and safety for pedestrians and cyclists traveling along VT 30. Engaging the community in the process and through a formal Vermont Agency of Transportation (VTrans) scoping process, D&K worked collaboratively with Newfane,…
In response to repeated storm damage to this 1,900-ft-long, circa 1960s Army Corps granite block protection levee, the Town of Lincoln needed to repair the levee to maintain an acceptable level of service. DuBois & King evaluated the structural, hydrologic and hydraulic, civil, and structural conditions and requirements of this site along the Pemigewasset River….