South Colony ST over Harbor Brook
FairNew Haven County, Connecticut · Jct(s) Colony &perkins ST · Structure no. 03722
- Built
- 1900
- 125 years old, rebuilt 1964
- Condition
- Fair
- inspected January 2024
- Type
- Arch - Deck
- Masonry
- Length
- 30 ft
- 1 main span
- Daily traffic
- 2,700
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Colony ST over Harbor Brook is a masonry arch - deck carrying South Colony ST over Harbor Brook in New Haven County, Connecticut. It was built in 1900 and reconstructed in 1964, so it is 125 years old, older than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 2,700 vehicles a day, roughly 5% of them trucks, projected to reach 4,012 by 2039. The structure is 30 ft (9.1 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South Colony ST over Harbor Brook built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1964.
What condition is South Colony ST over Harbor Brook 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 January 2024.
How much traffic does South Colony ST over Harbor Brook carry?
About 2,700 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is South Colony ST over Harbor Brook?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 70 ft wide.
Who owns South Colony ST over Harbor Brook?
It is owned by the City or Municipal Highway Agency.