Dennison Road over Route 9
FairMiddlesex County, Connecticut · 0.3 MI N of Route 154 · Structure no. 03417
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 219 ft
- 2 main spans
- Daily traffic
- 1,300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Dennison Road over Route 9 is a steel continuous stringer/multi-beam or girder carrying Dennison Road over Route 9 in Middlesex County, Connecticut. It was built in 1967, so it is 58 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 1,300 vehicles a day, roughly 4% of them trucks, projected to reach 1,932 by 2044. The structure is 219 ft (66.8 m) long and 37 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dennison Road over Route 9 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Dennison Road over Route 9 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 July 2024.
How much traffic does Dennison Road over Route 9 carry?
About 1,300 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Dennison Road over Route 9?
The structure is 219 ft (66.8 m) long with a longest span of 108 ft (32.9 m) and a deck 37 ft wide.
Who owns Dennison Road over Route 9?
It is owned by the State Highway Agency.