Route 103 over Muddy River
FairNew Haven County, Connecticut · 1.2 MI N0 Montowese Ave · Structure no. 00446
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 140 ft
- 2 main spans
- Daily traffic
- 7,700
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Route 103 over Muddy River is a steel stringer/multi-beam or girder carrying Route 103 over Muddy River in New Haven County, Connecticut. It was built in 1961, so it is 64 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 6 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 7,700 vehicles a day, roughly 5% of them trucks, projected to reach 11,441 by 2041. The structure is 140 ft (42.7 m) long and 52 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 103 over Muddy River built?
It was built in 1961, making it 64 years old in 2025.
What condition is Route 103 over Muddy River 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 October 2023.
How much traffic does Route 103 over Muddy River carry?
About 7,700 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Route 103 over Muddy River?
The structure is 140 ft (42.7 m) long with a longest span of 67 ft (20.4 m) and a deck 52 ft wide.
Who owns Route 103 over Muddy River?
It is owned by the State Highway Agency.