ST 12 Mill ST over Water Beaver Brook
FairWorcester County, Massachusetts · .1 MI N of Main ST · Structure no. W4400920BDOTNBI
- Built
- 1931
- 94 years old, rebuilt 1945
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 7,443
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
ST 12 Mill ST over Water Beaver Brook is a steel stringer/multi-beam or girder carrying ST 12 Mill ST over Water Beaver Brook in Worcester County, Massachusetts. It was built in 1931 and reconstructed in 1945, so it is 94 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 5 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 7,443 vehicles a day, roughly 6% of them trucks, projected to reach 48,485 by 2032. The structure is 40 ft (12.2 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| 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 12 Mill ST over Water Beaver Brook built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1945.
What condition is ST 12 Mill ST over Water Beaver Brook 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 September 2023.
How much traffic does ST 12 Mill ST over Water Beaver Brook carry?
About 7,443 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is ST 12 Mill ST over Water Beaver Brook?
The structure is 40 ft (12.2 m) long with a longest span of 33 ft (10.2 m) and a deck 80 ft wide.
Who owns ST 12 Mill ST over Water Beaver Brook?
It is owned by the State Highway Agency.