ST135 South ST over Water Assabet River
FairWorcester County, Massachusetts · At Westboro Town Line · Structure no. N2000420DDOTNBI
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 4 main spans
- Daily traffic
- 9,124
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
ST135 South ST over Water Assabet River is a concrete continuous slab carrying ST135 South ST over Water Assabet River in Worcester County, Massachusetts. It was built in 1947, so it is 78 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 9,124 vehicles a day, roughly 4% of them trucks, projected to reach 15,003 by 2033. The structure is 72 ft (21.9 m) long and 38 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST135 South ST over Water Assabet River built?
It was built in 1947, making it 78 years old in 2025.
What condition is ST135 South ST over Water Assabet 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 February 2024.
How much traffic does ST135 South ST over Water Assabet River carry?
About 9,124 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is ST135 South ST over Water Assabet River?
The structure is 72 ft (21.9 m) long with a longest span of 17 ft (5.3 m) and a deck 38 ft wide.
Who owns ST135 South ST over Water Assabet River?
It is owned by the State Highway Agency.