SR 847 over Hancock Brook
FairNew Haven County, Connecticut · 3.1 Miles North of I-84 · Structure no. 05365
- Built
- 1934
- 91 years old, rebuilt 1986
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 50 ft
- 2 main spans
- Daily traffic
- 10,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SR 847 over Hancock Brook is a concrete continuous tee beam carrying SR 847 over Hancock Brook in New Haven County, Connecticut. It was built in 1934 and reconstructed in 1986, so it is 91 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 6 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 10,200 vehicles a day, roughly 3% of them trucks, projected to reach 15,156 by 2040. The structure is 50 ft (15.2 m) long and 52 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SR 847 over Hancock Brook built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1986.
What condition is SR 847 over Hancock 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 August 2024.
How much traffic does SR 847 over Hancock Brook carry?
About 10,200 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is SR 847 over Hancock Brook?
The structure is 50 ft (15.2 m) long with a longest span of 22 ft (6.7 m) and a deck 52 ft wide.
Who owns SR 847 over Hancock Brook?
It is owned by the State Highway Agency.