ST 38 Main ST over Water Mystic River
GoodMiddlesex County, Massachusetts · .1 MI N of ST16 · Structure no. M120024E0DOTNBI
- Built
- 1908
- 117 years old, rebuilt 2018
- Condition
- Good
- inspected May 2023
- Type
- Arch - Deck
- Masonry
- Length
- 91 ft
- 2 main spans
- Daily traffic
- 67,900
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
ST 38 Main ST over Water Mystic River is a masonry arch - deck carrying ST 38 Main ST over Water Mystic River in Middlesex County, Massachusetts. It was built in 1908 and reconstructed in 2018, so it is 117 years old, older 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 67,900 vehicles a day, roughly 6% of them trucks, projected to reach 66,331 by 2032. The structure is 91 ft (27.7 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 38 Main ST over Water Mystic River built?
It was built in 1908, making it 117 years old in 2025. It was reconstructed in 2018.
What condition is ST 38 Main ST over Water Mystic 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 May 2023.
How much traffic does ST 38 Main ST over Water Mystic River carry?
About 67,900 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is ST 38 Main ST over Water Mystic River?
The structure is 91 ft (27.7 m) long with a longest span of 26 ft (8 m) and a deck 74 ft wide.
Who owns ST 38 Main ST over Water Mystic River?
It is owned by the State Highway Agency.