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NRPC presents 10‑year road surface management scenarios; town asked to weigh funding options
Summary
The Nashua Regional Planning Commission presented a Road Surface Management System for Milford, showing three 10‑year scenarios with different annual budgets and maintenance strategies. The study finds Milford’s network PCI roughly in the low 70s and estimates annual spending needed to avoid long‑term decay at about $2 million.
The Nashua Regional Planning Commission (NRPC) presented its Road Surface Management System (RSMS) assessment and three funding scenarios to the Milford Board of Selectmen on Jan. 27.
NRPC described the process: field assessment of 426 road segments covering 88.76 miles, assigning a Pavement Condition Index (PCI) to each segment, then forecasting future conditions under different maintenance strategies. The PCI scale runs 0–100, with higher numbers indicating better pavement condition. NRPC said Milford’s current network‑average PCI is in the low‑70s, with about 29% of segments rated in poor condition and 9% very poor.
The consultant outlined three scenarios:
- Scenario 1: an aggressive program averaging about $1.9 million per year over 10 years that focuses on reconstruction early, then maintenance to stabilize network PCI around 70; it shows an up‑front spike in expenditures for reconstruction followed by lower maintenance costs later.
- Scenario 2: a midrange plan targeted to roughly $1.4 million per year that reduces scope and results in a network PCI drifting below 70 over the plan horizon.
- Scenario 3: a conservative budget near $800,000 per year that maintains a lower level of service and allows the network PCI to decline further.
NRPC emphasized that preventive maintenance (crack seal, thin overlays) is far more cost‑effective than waiting to perform full reconstruction on roads that deteriorate to very poor condition.
Speakers, including Public Works staff and board members, discussed practical constraints: existing underground utilities, drainage needs, and the town’s historical practice of reconstructing some roads when major subsurface work is required. Public Works Director Leo described examples where full rebuilds were necessary because of degraded base materials. Several board members urged consideration of a bond to accelerate work on high‑priority neighborhoods and to realize economies of scale in contracting; NRPC and staff cautioned that a bond requires careful phasing and maintenance plans so that all rebuilt roads do not degrade simultaneously.
NRPC also provided an asset‑valuation estimate: Milford’s road network material value was shown at roughly $40.6 million, with a notional annual depreciation of about $2 million — the rule‑of‑thumb figure NRPC said is required to keep the road network from degrading on net.
Board members and the public asked about options for phasing, bundling work for contractor efficiency and the tradeoffs between bond financing, annual pay‑as‑you‑go budgeting and the need to address underground utilities as part of some projects. NRPC said the RSMS is a planning tool and that the town could revise the program annually; NRPC staff offered to return for a future reassessment.
Ending: The selectmen did not adopt a specific funding path at the meeting. Board members asked staff to use the RSMS as a planning guide and to explore options — including possible bonding, targeted neighborhood rebuilds and reserve funds — and to present options for public discussion in coming months.
