Humphrey Street over Mill River
PoorNew Haven County, Connecticut · 0.1 MI E of I-91 · Structure no. 03813
- Built
- 1908
- 117 years old, rebuilt 1973
- Condition
- Poor
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 85 ft
- 3 main spans
- Daily traffic
- 4,100
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Humphrey Street over Mill River is a prestressed concrete slab carrying Humphrey Street over Mill River in New Haven County, Connecticut. It was built in 1908 and reconstructed in 1973, so it is 117 years old, older than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 4,100 vehicles a day, roughly 4% of them trucks, projected to reach 6,092 by 2041. The structure is 85 ft (25.9 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Humphrey Street over Mill River built?
It was built in 1908, making it 117 years old in 2025. It was reconstructed in 1973.
What condition is Humphrey Street over Mill River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does Humphrey Street over Mill River carry?
About 4,100 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is Humphrey Street over Mill River?
The structure is 85 ft (25.9 m) long with a longest span of 34 ft (10.4 m) and a deck 60 ft wide.
Who owns Humphrey Street over Mill River?
It is owned by the City or Municipal Highway Agency.