I 90 EB over RR MBTA
PoorSuffolk County, Massachusetts · .1 MI S. Charles Rv S111 · Structure no. B163594RXDOTNBI
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 2,484 ft
- 29 main spans
- Daily traffic
- 76,373
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 EB over RR MBTA is a steel stringer/multi-beam or girder carrying I 90 EB over RR MBTA in Suffolk County, Massachusetts. It was built in 1965, so it is 60 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 4 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 76,373 vehicles a day, roughly 12% of them trucks, projected to reach 99,344 by 2031. The structure is 2,484 ft (757.1 m) long and 54 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 EB over RR MBTA built?
It was built in 1965, making it 60 years old in 2025.
What condition is I 90 EB over RR MBTA 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 February 2023.
How much traffic does I 90 EB over RR MBTA carry?
About 76,373 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is I 90 EB over RR MBTA?
The structure is 2,484 ft (757.1 m) long with a longest span of 115 ft (35.1 m) and a deck 54 ft wide.
Who owns I 90 EB over RR MBTA?
It is owned by the State Highway Agency.