I 495 NB over RR Mbta/Csx
PoorWorcester County, Massachusetts · 1.4 MI So. of ST 9 · Structure no. W240221U1DOTNBI
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 142 ft
- 3 main spans
- Daily traffic
- 46,713
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 495 NB over RR Mbta/Csx is a steel stringer/multi-beam or girder carrying I 495 NB over RR Mbta/Csx in Worcester County, Massachusetts. It was built in 1968, so it is 57 years old, younger than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 46,713 vehicles a day, roughly 8% of them trucks, projected to reach 75,806 by 2032. The structure is 142 ft (43.3 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 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 I 495 NB over RR Mbta/Csx built?
It was built in 1968, making it 57 years old in 2025.
What condition is I 495 NB over RR Mbta/Csx in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.
How much traffic does I 495 NB over RR Mbta/Csx carry?
About 46,713 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is I 495 NB over RR Mbta/Csx?
The structure is 142 ft (43.3 m) long with a longest span of 64 ft (19.5 m) and a deck 56 ft wide.
Who owns I 495 NB over RR Mbta/Csx?
It is owned by the State Highway Agency.