Route 121 over Wepawaug River
GoodNew Haven County, Connecticut · 0.2 MI S of Route 15 · Structure no. 05310
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 46 ft
- 3 main spans
- Daily traffic
- 5,800
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Route 121 over Wepawaug River is a concrete culvert carrying Route 121 over Wepawaug River in New Haven County, Connecticut. It was built in 1984, so it is 41 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.
It carries about 5,800 vehicles a day, roughly 4% of them trucks, projected to reach 8,618 by 2035. The structure is 46 ft (14 m) long and 48 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 121 over Wepawaug River built?
It was built in 1984, making it 41 years old in 2025.
What condition is Route 121 over Wepawaug 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 May 2023.
How much traffic does Route 121 over Wepawaug River carry?
About 5,800 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Route 121 over Wepawaug River?
The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m) and a deck 48 ft wide.
Who owns Route 121 over Wepawaug River?
It is owned by the State Highway Agency.