I 90 WB over ST146
GoodWorcester County, Massachusetts · MM94 0.3 MI S of US-20 · Structure no. M220344LYDOTNBI
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 314 ft
- 2 main spans
- Daily traffic
- 34,144
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 WB over ST146 is a steel continuous stringer/multi-beam or girder carrying I 90 WB over ST146 in Worcester County, Massachusetts. It was built in 1997, so it is 28 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 34,144 vehicles a day, roughly 14% of them trucks, projected to reach 91,599 by 2032. The structure is 314 ft (95.6 m) long and 65 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 WB over ST146 built?
It was built in 1997, making it 28 years old in 2025.
What condition is I 90 WB over ST146 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 February 2025.
How much traffic does I 90 WB over ST146 carry?
About 34,144 vehicles per day (2025 count), of which roughly 14% are trucks.
How long is I 90 WB over ST146?
The structure is 314 ft (95.6 m) long with a longest span of 158 ft (48.3 m) and a deck 65 ft wide.
Who owns I 90 WB over ST146?
It is owned by the State Highway Agency.