US 1 Ramp Ct over Comb MBTA & Millers Riv
FairSuffolk County, Massachusetts · I93/US1 Interchange · Structure no. B166108Y6DOTNBI
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected September 2022
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 823 ft
- 5 main spans
- Daily traffic
- 41,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 1 Ramp Ct over Comb MBTA & Millers Riv is a prestressed concrete continuous segmental box girder carrying US 1 Ramp Ct over Comb MBTA & Millers Riv in Suffolk County, Massachusetts. It was built in 2001, so it is 24 years old, younger 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 6 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 41,800 vehicles a day, roughly 10% of them trucks, projected to reach 394,825 by 2031. The structure is 823 ft (250.9 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 1 Ramp Ct over Comb MBTA & Millers Riv built?
It was built in 2001, making it 24 years old in 2025.
What condition is US 1 Ramp Ct over Comb MBTA & Millers 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 September 2022.
How much traffic does US 1 Ramp Ct over Comb MBTA & Millers Riv carry?
About 41,800 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is US 1 Ramp Ct over Comb MBTA & Millers Riv?
The structure is 823 ft (250.9 m) long with a longest span of 190 ft (57.9 m) and a deck 40 ft wide.
Who owns US 1 Ramp Ct over Comb MBTA & Millers Riv?
It is owned by the State Highway Agency.