Route 15 over Mill River
GoodPosted for loadFairfield County, Connecticut · 0.5 MI S of Route 58 · Structure no. 00743
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected November 2023
- Type
- Frame
- Concrete
- Length
- 44 ft
- 1 main span
- Daily traffic
- 70,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 15 over Mill River is a concrete frame carrying Route 15 over Mill River in Fairfield County, Connecticut. It was built in 2010, so it is 15 years old, younger than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for other load-capacity restriction.
It carries about 70,000 vehicles a day, roughly 1% of them trucks, projected to reach 104,013 by 2042. The structure is 44 ft (13.4 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Route 15 over Mill River built?
It was built in 2010, making it 15 years old in 2025.
What condition is Route 15 over Mill River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.
How much traffic does Route 15 over Mill River carry?
About 70,000 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Route 15 over Mill River?
The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 94 ft wide.
Who owns Route 15 over Mill River?
It is owned by the State Highway Agency.