HWY MOUNTAIN DR
Carrying HWY MOUNTAIN DR over WATER MILL RIVER
0.2 MI W OF RT 5, Hampshire, Massachusetts
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: HWY MOUNTAIN DR
The HWY MOUNTAIN DR bridge in Hampshire, Massachusetts carries HWY MOUNTAIN DR over WATER MILL RIVER. It was built in 1959, making it 67 years old today. It was last reconstructed in 1962, extending its service life. The structure is built primarily of concrete continuous and spans 4 sections, stretching 27.1 meters (89 feet) end to end. Daily traffic averages 775 vehicles, placing it in the lower-traffic tier of Massachusetts bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 99.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How HWY MOUNTAIN DR compares
Live comparison across Massachusetts.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1959
- Last Reconstructed
- 1962
- Material
- Concrete Continuous
- Number of Spans
- 4
- Structure Length
- 27.1 m (89 ft)
- Deck Width
- 25.6 m (84 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 775 vehicles/day
- Structure Number
- H110240QMMUNNBI
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether HWY MOUNTAIN DR is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare HWY MOUNTAIN DR against other structures in Hampshire and across Massachusetts. Massachusetts bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for HWY MOUNTAIN DR?
HWY MOUNTAIN DR in Hampshire, Massachusetts on the FHWA's 0–9 scale.
How often is HWY MOUNTAIN DR inspected?
HWY MOUNTAIN DR's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 775 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. HWY MOUNTAIN DR is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for HWY MOUNTAIN DR?
HWY MOUNTAIN DR has an NBI inventory load rating of 99.9 metric tons.
Who is responsible for maintaining HWY MOUNTAIN DR?
HWY MOUNTAIN DR is owned and maintained by Town/Township Highway Agency.
How old is HWY MOUNTAIN DR and does age affect safety?
HWY MOUNTAIN DR was built in 1959, making it 67 years old and last reconstructed in 1962.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.