ST 2 A/Mass Ave over Comb Strw DR & Chas Riv
FairSuffolk County, Massachusetts · .8 MI E of Bu Bridge · Structure no. B160124EYDOTNBI
- Built
- 1891
- 134 years old, rebuilt 1990
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,171 ft
- 25 main spans
- Daily traffic
- 38,638
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
ST 2 A/Mass Ave over Comb Strw DR & Chas Riv is a steel continuous stringer/multi-beam or girder carrying ST 2 A/Mass Ave over Comb Strw DR & Chas Riv in Suffolk County, Massachusetts. It was built in 1891 and reconstructed in 1990, so it is 134 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 38,638 vehicles a day, roughly 6% of them trucks, projected to reach 77,386 by 2032. The structure is 2,171 ft (661.8 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 2 A/Mass Ave over Comb Strw DR & Chas Riv built?
It was built in 1891, making it 134 years old in 2025. It was reconstructed in 1990.
What condition is ST 2 A/Mass Ave over Comb Strw DR & Chas Riv 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 May 2023.
How much traffic does ST 2 A/Mass Ave over Comb Strw DR & Chas Riv carry?
About 38,638 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is ST 2 A/Mass Ave over Comb Strw DR & Chas Riv?
The structure is 2,171 ft (661.8 m) long with a longest span of 105 ft (32.1 m) and a deck 74 ft wide.
Who owns ST 2 A/Mass Ave over Comb Strw DR & Chas Riv?
It is owned by the State Highway Agency.