ST 9 Belmont ST over I 290
GoodWorcester County, Massachusetts · .2 Mi. East of Lincoln Sq · Structure no. W440941L2DOTNBI
- Built
- 1958
- 67 years old, rebuilt 2017
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 134 ft
- 2 main spans
- Daily traffic
- 23,391
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST 9 Belmont ST over I 290 is a steel continuous stringer/multi-beam or girder carrying ST 9 Belmont ST over I 290 in Worcester County, Massachusetts. It was built in 1958 and reconstructed in 2017, so it is 67 years old, older 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 23,391 vehicles a day, roughly 5% of them trucks, projected to reach 48,958 by 2031. The structure is 134 ft (40.8 m) long and 77 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 9 Belmont ST over I 290 built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2017.
What condition is ST 9 Belmont ST over I 290 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 Belmont ST over I 290 carry?
About 23,391 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is ST 9 Belmont ST over I 290?
The structure is 134 ft (40.8 m) long with a longest span of 62 ft (18.9 m) and a deck 77 ft wide.
Who owns ST 9 Belmont ST over I 290?
It is owned by the State Highway Agency.