ST135 Union ST over Water Sudbury River
GoodMiddlesex County, Massachusetts · 200 Ft E. of Chestnut ST · Structure no. A14002B7VDOTNBI
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 64 ft
- 1 main span
- Daily traffic
- 11,728
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
ST135 Union ST over Water Sudbury River is a prestressed concrete box beam or girders - single or spread carrying ST135 Union ST over Water Sudbury River in Middlesex County, Massachusetts. It was built in 2012, so it is 13 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 11,728 vehicles a day, roughly 5% of them trucks. The structure is 64 ft (19.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| 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 ST135 Union ST over Water Sudbury River built?
It was built in 2012, making it 13 years old in 2025.
What condition is ST135 Union ST over Water Sudbury River 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 July 2023.
How much traffic does ST135 Union ST over Water Sudbury River carry?
About 11,728 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is ST135 Union ST over Water Sudbury River?
The structure is 64 ft (19.5 m) long with a longest span of 57 ft (17.3 m) and a deck 52 ft wide.
Who owns ST135 Union ST over Water Sudbury River?
It is owned by the State Highway Agency.