Preston Avenue over Route 66
FairNew Haven County, Connecticut · 0.6MI W JCT I-691 &rte 66 · Structure no. 03047
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 423 ft
- 4 main spans
- Daily traffic
- 4,900
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Preston Avenue over Route 66 is a steel continuous stringer/multi-beam or girder carrying Preston Avenue over Route 66 in New Haven County, Connecticut. It was built in 1965, so it is 60 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 4,900 vehicles a day, roughly 4% of them trucks, projected to reach 7,281 by 2042. The structure is 423 ft (128.8 m) long and 40 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Preston Avenue over Route 66 built?
It was built in 1965, making it 60 years old in 2025.
What condition is Preston Avenue over Route 66 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 Preston Avenue over Route 66 carry?
About 4,900 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Preston Avenue over Route 66?
The structure is 423 ft (128.8 m) long with a longest span of 127 ft (38.7 m) and a deck 40 ft wide.
Who owns Preston Avenue over Route 66?
It is owned by the State Highway Agency.