US 1 NE Xway over RR MBTA & Silver Line
FairSuffolk County, Massachusetts · 1 M NE of Tobin Br. · Structure no. C090073A8DOTNBI
- Built
- 1957
- 68 years old, rebuilt 2021
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 108 ft
- 1 main span
- Daily traffic
- 83,976
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 1 NE Xway over RR MBTA & Silver Line is a steel stringer/multi-beam or girder carrying US 1 NE Xway over RR MBTA & Silver Line in Suffolk County, Massachusetts. It was built in 1957 and reconstructed in 2021, so it is 68 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 83,976 vehicles a day, roughly 10% of them trucks, projected to reach 129,503 by 2032. The structure is 108 ft (32.9 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 1 NE Xway over RR MBTA & Silver Line built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2021.
What condition is US 1 NE Xway over RR MBTA & Silver Line 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 June 2023.
How much traffic does US 1 NE Xway over RR MBTA & Silver Line carry?
About 83,976 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is US 1 NE Xway over RR MBTA & Silver Line?
The structure is 108 ft (32.9 m) long with a longest span of 108 ft (32.9 m) and a deck 94 ft wide.
Who owns US 1 NE Xway over RR MBTA & Silver Line?
It is owned by the State Highway Agency.