I 93 Ramp X over Comb Relief
GoodSuffolk County, Massachusetts · I93/I90 Interchange · Structure no. B166589QXDOTNBI
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected December 2023
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 272 ft
- 2 main spans
- Daily traffic
- 2,066
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 93 Ramp X over Comb Relief is a prestressed concrete continuous segmental box girder carrying I 93 Ramp X over Comb Relief in Suffolk County, Massachusetts. It was built in 2004, so it is 21 years old, younger than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,066 vehicles a day, roughly 6% of them trucks, projected to reach 1,579 by 2032. The structure is 272 ft (82.8 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 93 Ramp X over Comb Relief built?
It was built in 2004, making it 21 years old in 2025.
What condition is I 93 Ramp X over Comb Relief in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does I 93 Ramp X over Comb Relief carry?
About 2,066 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is I 93 Ramp X over Comb Relief?
The structure is 272 ft (82.8 m) long with a longest span of 141 ft (43.1 m) and a deck 32 ft wide.
Who owns I 93 Ramp X over Comb Relief?
It is owned by the State Highway Agency.