HWY Chelsea ST over Water Chelsea River
GoodSuffolk County, Massachusetts · At Chelsea River · Structure no. B16020B4JDOTNBI
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected June 2023
- Type
- Movable - Lift
- Steel
- Length
- 479 ft
- 1 main span
- Daily traffic
- 13,400
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
HWY Chelsea ST over Water Chelsea River is a steel movable - lift carrying HWY Chelsea ST over Water Chelsea River in Suffolk County, Massachusetts. It was built in 2012, so it is 13 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 13,400 vehicles a day, roughly 6% of them trucks. The structure is 479 ft (145.9 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY Chelsea ST over Water Chelsea River built?
It was built in 2012, making it 13 years old in 2025.
What condition is HWY Chelsea ST over Water Chelsea River 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 June 2023.
How much traffic does HWY Chelsea ST over Water Chelsea River carry?
About 13,400 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is HWY Chelsea ST over Water Chelsea River?
The structure is 479 ft (145.9 m) long with a longest span of 450 ft (137.1 m) and a deck 70 ft wide.
Who owns HWY Chelsea ST over Water Chelsea River?
It is owned by the State Highway Agency.