HWY Mass Ave over Comb I 90 & Mbta/Csx
PoorSuffolk County, Massachusetts · .32 KM S. Charles Rv S54 · Structure no. B160514T5DOTNBI
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 162 ft
- 3 main spans
- Daily traffic
- 21,206
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
HWY Mass Ave over Comb I 90 & Mbta/Csx is a steel stringer/multi-beam or girder carrying HWY Mass Ave over Comb I 90 & Mbta/Csx 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.
It carries about 21,206 vehicles a day, roughly 19% of them trucks, projected to reach 60,329 by 2031. The structure is 162 ft (49.4 m) long and 95 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 | 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 Mass Ave over Comb I 90 & Mbta/Csx built?
It was built in 1965, making it 60 years old in 2025.
What condition is HWY Mass Ave over Comb I 90 & Mbta/Csx 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 HWY Mass Ave over Comb I 90 & Mbta/Csx carry?
About 21,206 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is HWY Mass Ave over Comb I 90 & Mbta/Csx?
The structure is 162 ft (49.4 m) long with a longest span of 60 ft (18.3 m) and a deck 95 ft wide.
Who owns HWY Mass Ave over Comb I 90 & Mbta/Csx?
It is owned by the State Highway Agency.