ST 9 Post RD over Water Dunn Brook
GoodWorcester County, Massachusetts · At Brookfield Town Line · Structure no. B26013AJPDOTNBI
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 8,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST 9 Post RD over Water Dunn Brook is a prestressed concrete slab carrying ST 9 Post RD over Water Dunn Brook in Worcester County, Massachusetts. It was built in 2002, so it is 23 years old, younger than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 15,793 by 2031. The structure is 39 ft (11.9 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| 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 9 Post RD over Water Dunn Brook built?
It was built in 2002, making it 23 years old in 2025.
What condition is ST 9 Post RD over Water Dunn Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does ST 9 Post RD over Water Dunn Brook carry?
About 8,000 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is ST 9 Post RD over Water Dunn Brook?
The structure is 39 ft (11.9 m) long with a longest span of 34 ft (10.4 m) and a deck 48 ft wide.
Who owns ST 9 Post RD over Water Dunn Brook?
It is owned by the State Highway Agency.