ST 66 West ST over Water Mill River
FairHampshire County, Massachusetts · .4 MI W JCT ST 9 · Structure no. N1902111MDOTNBI
- Built
- 1924
- 101 years old
- Condition
- Fair
- inspected June 2024
- Type
- Arch - Deck
- Concrete
- Length
- 123 ft
- 2 main spans
- Daily traffic
- 12,200
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST 66 West ST over Water Mill River is a concrete arch - deck carrying ST 66 West ST over Water Mill River in Hampshire County, Massachusetts. It was built in 1924, so it is 101 years old, older than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 12,200 vehicles a day, roughly 5% of them trucks, projected to reach 5,420 by 2031. The structure is 123 ft (37.5 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 66 West ST over Water Mill River built?
It was built in 1924, making it 101 years old in 2025.
What condition is ST 66 West ST over Water Mill River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does ST 66 West ST over Water Mill River carry?
About 12,200 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is ST 66 West ST over Water Mill River?
The structure is 123 ft (37.5 m) long with a longest span of 56 ft (17.1 m) and a deck 39 ft wide.
Who owns ST 66 West ST over Water Mill River?
It is owned by the State Highway Agency.