HWY Byron ST over TR Blue Line
FairSuffolk County, Massachusetts · Over Blue Line · Structure no. B162134VRMBTNBI
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected July 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 71 ft
- 2 main spans
- Daily traffic
- 1,200
- 2012 count
- Owner
- State
- Other State Agency
About this bridge
HWY Byron ST over TR Blue Line is a steel stringer/multi-beam or girder carrying HWY Byron ST over TR Blue Line in Suffolk County, Massachusetts. It was built in 1950, so it is 75 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 5 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 1,200 vehicles a day, roughly 6% of them trucks, projected to reach 1,106 by 2032. The structure is 71 ft (21.6 m) long and 50 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY Byron ST over TR Blue Line built?
It was built in 1950, making it 75 years old in 2025.
What condition is HWY Byron ST over TR Blue 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 July 2022.
How much traffic does HWY Byron ST over TR Blue Line carry?
About 1,200 vehicles per day (2012 count), of which roughly 6% are trucks.
How long is HWY Byron ST over TR Blue Line?
The structure is 71 ft (21.6 m) long with a longest span of 37 ft (11.3 m) and a deck 50 ft wide.
Who owns HWY Byron ST over TR Blue Line?
It is owned by the Other State Agency.