Route 70 over Ten Mile River
FairNew Haven County, Connecticut · 1.7 MI East of I-84 · Structure no. 05708
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected February 2023
- Type
- Culvert
- Concrete
- Length
- 52 ft
- 3 main spans
- Daily traffic
- 15,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Route 70 over Ten Mile River is a concrete culvert carrying Route 70 over Ten Mile River in New Haven County, Connecticut. It was built in 1989, so it is 36 years old, younger 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 15,000 vehicles a day, roughly 4% of them trucks, projected to reach 22,289 by 2035. The structure is 52 ft (15.9 m) long and 61 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 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 70 over Ten Mile River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Route 70 over Ten Mile 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 February 2023.
How much traffic does Route 70 over Ten Mile River carry?
About 15,000 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Route 70 over Ten Mile River?
The structure is 52 ft (15.9 m) long with a longest span of 16 ft (4.9 m) and a deck 61 ft wide.
Who owns Route 70 over Ten Mile River?
It is owned by the State Highway Agency.