ST 70 Main ST over Water N Nashua River
FairWorcester County, Massachusetts · .1 MI S of Center Br RD · Structure no. L020061C4MUNNBI
- Built
- 1955
- 70 years old, rebuilt 1987
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 137 ft
- 3 main spans
- Daily traffic
- 6,116
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
ST 70 Main ST over Water N Nashua River is a steel continuous stringer/multi-beam or girder carrying ST 70 Main ST over Water N Nashua River in Worcester County, Massachusetts. It was built in 1955 and reconstructed in 1987, so it is 70 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 6,116 vehicles a day, roughly 6% of them trucks, projected to reach 15,003 by 2031. The structure is 137 ft (41.8 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 ST 70 Main ST over Water N Nashua River built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1987.
What condition is ST 70 Main ST over Water N Nashua 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 September 2024.
How much traffic does ST 70 Main ST over Water N Nashua River carry?
About 6,116 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is ST 70 Main ST over Water N Nashua River?
The structure is 137 ft (41.8 m) long with a longest span of 82 ft (25 m) and a deck 39 ft wide.
Who owns ST 70 Main ST over Water N Nashua River?
It is owned by the Town or Township Highway Agency.