Mill Street over Harbor Brook
FairNew Haven County, Connecticut · 300 Ft W of Pratt Street · Structure no. 04840
- Built
- 1930
- 95 years old, rebuilt 1964
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 808
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mill Street over Harbor Brook is a concrete tee beam carrying Mill Street over Harbor Brook in New Haven County, Connecticut. It was built in 1930 and reconstructed in 1964, so it is 95 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 808 vehicles a day, roughly 4% of them trucks, projected to reach 1,201 by 2044. The structure is 37 ft (11.3 m) long and 60 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Mill Street over Harbor Brook built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1964.
What condition is Mill Street 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 Mill Street over Harbor Brook carry?
About 808 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Mill Street over Harbor Brook?
The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 60 ft wide.
Who owns Mill Street over Harbor Brook?
It is owned by the City or Municipal Highway Agency.