US 1 Ramp S-Tb over Other Relief
GoodSuffolk County, Massachusetts · I 93 US Rt 1 Interchang · Structure no. B166118XYDOTNBI
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected August 2023
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 582 ft
- 4 main spans
- Daily traffic
- 15,409
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 1 Ramp S-Tb over Other Relief is a prestressed concrete continuous segmental box girder carrying US 1 Ramp S-Tb over Other Relief 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 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 15,409 vehicles a day, roughly 5% of them trucks. The structure is 582 ft (177.4 m) long and 24 ft wide.
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 US 1 Ramp S-Tb over Other Relief built?
It was built in 2001, making it 24 years old in 2025.
What condition is US 1 Ramp S-Tb over Other 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 August 2023.
How much traffic does US 1 Ramp S-Tb over Other Relief carry?
About 15,409 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is US 1 Ramp S-Tb over Other Relief?
The structure is 582 ft (177.4 m) long with a longest span of 169 ft (51.5 m) and a deck 24 ft wide.
Who owns US 1 Ramp S-Tb over Other Relief?
It is owned by the State Highway Agency.