Overview - Sanbornton Project |
Project Background
This project is being advanced under the direction of the New Hampshire Department of Transportation, with an ID number of 29744. Holden Engineering & Surveying is currently under contract with the Town of Sanbornton for the Engineering Study Phase and Concept Plans for the rehabilitation of 0.858 miles of Lower Bay Road. The project begins at the intersection of Lower Bay Road with Bay Road, and extends northeasterly to a point near its intersection with Upper Smith Road.
Currently, the first 0.858 miles of Lower Bay Road is a Class II State Aid Highway, and is the primary responsibility of the State of New Hampshire. The State wishes to turn over this road to the Town. But rather than transfer a damaged road to the Town, the State intends to rebuild the road to give the Town a much better product. Once the rehabilitation project begins, the State will be relinquishing its responsibility and conveying it to the Town of Sanbornton. The road will then be identified as a Class IV Rural Highway and the Town’s sole responsibility to maintain.
This project is being advanced under the direction of the New Hampshire Department of Transportation, with an ID number of 29744. Holden Engineering & Surveying is currently under contract with the Town of Sanbornton for the Engineering Study Phase and Concept Plans for the rehabilitation of 0.858 miles of Lower Bay Road. The project begins at the intersection of Lower Bay Road with Bay Road, and extends northeasterly to a point near its intersection with Upper Smith Road.
Currently, the first 0.858 miles of Lower Bay Road is a Class II State Aid Highway, and is the primary responsibility of the State of New Hampshire. The State wishes to turn over this road to the Town. But rather than transfer a damaged road to the Town, the State intends to rebuild the road to give the Town a much better product. Once the rehabilitation project begins, the State will be relinquishing its responsibility and conveying it to the Town of Sanbornton. The road will then be identified as a Class IV Rural Highway and the Town’s sole responsibility to maintain.
Roadway Reconstruction Goals
The proposed improvements include reconstruction of the base road gravels along with a new bituminous pavement surface. The design includes improvements to the storm drainage system which will intercept and collect the overland flow from the hillside to the west. A trench drain system with underdrain piping will be constructed on the west side of the road, and the collected water will be directed to culverts which outlet into Lake Winnisquam. This system will help keep the roadway gravels dry, thereby maintaining the integrity and strength of the reconstructed road.
The roadway reconstruction will effectively follow the existing alignment and current pavement width. Gravel shoulders will be added to provide lateral support for the new pavement.
The proposed improvements include reconstruction of the base road gravels along with a new bituminous pavement surface. The design includes improvements to the storm drainage system which will intercept and collect the overland flow from the hillside to the west. A trench drain system with underdrain piping will be constructed on the west side of the road, and the collected water will be directed to culverts which outlet into Lake Winnisquam. This system will help keep the roadway gravels dry, thereby maintaining the integrity and strength of the reconstructed road.
The roadway reconstruction will effectively follow the existing alignment and current pavement width. Gravel shoulders will be added to provide lateral support for the new pavement.