HWY Mystic Ave over Comb Orange & Mbta/Bmrr
FairSuffolk County, Massachusetts · 610 M NW of Sullivan Sq · Structure no. B160683GWDOT634
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected November 2021
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 217 ft
- 3 main spans
- Daily traffic
- 31,293
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
HWY Mystic Ave over Comb Orange & Mbta/Bmrr is a steel continuous stringer/multi-beam or girder carrying HWY Mystic Ave over Comb Orange & Mbta/Bmrr in Suffolk County, Massachusetts. It was built in 1953, so it is 72 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 31,293 vehicles a day, roughly 12% of them trucks, projected to reach 56,855 by 2032. The structure is 217 ft (66.1 m) long and 65 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 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 | 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 HWY Mystic Ave over Comb Orange & Mbta/Bmrr built?
It was built in 1953, making it 72 years old in 2025.
What condition is HWY Mystic Ave over Comb Orange & Mbta/Bmrr 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 November 2021.
How much traffic does HWY Mystic Ave over Comb Orange & Mbta/Bmrr carry?
About 31,293 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is HWY Mystic Ave over Comb Orange & Mbta/Bmrr?
The structure is 217 ft (66.1 m) long with a longest span of 82 ft (25 m) and a deck 65 ft wide.
Who owns HWY Mystic Ave over Comb Orange & Mbta/Bmrr?
It is owned by the State Highway Agency.