Route 156 over Four Mile River
PoorNew London County, Connecticut · E.Lyme/Old Lyme Town Line · Structure no. 02713
- Built
- 1982
- 43 years old
- Condition
- Poor
- inspected June 2024
- Type
- Culvert
- Steel
- Length
- 28 ft
- 4 main spans
- Daily traffic
- 2,800
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Route 156 over Four Mile River is a steel culvert carrying Route 156 over Four Mile River in New London County, Connecticut. It was built in 1982, so it is 43 years old, younger than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,800 vehicles a day, roughly 5% of them trucks, projected to reach 4,161 by 2041. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 156 over Four Mile River built?
It was built in 1982, making it 43 years old in 2025.
What condition is Route 156 over Four Mile River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Route 156 over Four Mile River carry?
About 2,800 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Route 156 over Four Mile River?
The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m).
Who owns Route 156 over Four Mile River?
It is owned by the State Highway Agency.