ST 27 Old Sudbury over Water Sudbury River
FairMiddlesex County, Massachusetts · At River RD · Structure no. W1100724YMUNNBI
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 109 ft
- 6 main spans
- Daily traffic
- 12,500
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
ST 27 Old Sudbury over Water Sudbury River is a concrete continuous slab carrying ST 27 Old Sudbury over Water Sudbury River in Middlesex County, Massachusetts. It was built in 1956, so it is 69 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 12,500 vehicles a day, roughly 10% of them trucks, projected to reach 47,379 by 2033. The structure is 109 ft (33.2 m) long and 41 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 27 Old Sudbury over Water Sudbury River built?
It was built in 1956, making it 69 years old in 2025.
What condition is ST 27 Old Sudbury over Water Sudbury 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 November 2023.
How much traffic does ST 27 Old Sudbury over Water Sudbury River carry?
About 12,500 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is ST 27 Old Sudbury over Water Sudbury River?
The structure is 109 ft (33.2 m) long with a longest span of 18 ft (5.5 m) and a deck 41 ft wide.
Who owns ST 27 Old Sudbury over Water Sudbury River?
It is owned by the Town or Township Highway Agency.