T 177 over Split Rock River
FairCarlton County, Minnesota · 0.1 MI S of JCT TH 27 · Structure no. L4136
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected April 2024
- Type
- Culvert
- Concrete
- Length
- 35 ft
- 2 main spans
- Daily traffic
- 53
- 1982 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 177 over Split Rock River is a concrete culvert carrying T 177 over Split Rock River in Carlton County, Minnesota. It was built in 1982, so it is 43 years old, older than the Minnesota average of 38.5 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 53 vehicles a day, projected to reach 53 by 2029. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 177 over Split Rock River built?
It was built in 1982, making it 43 years old in 2025.
What condition is T 177 over Split Rock 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 April 2024.
How much traffic does T 177 over Split Rock River carry?
About 53 vehicles per day (1982 count).
How long is T 177 over Split Rock River?
The structure is 35 ft (10.7 m) long with a longest span of 14 ft (4.3 m).
Who owns T 177 over Split Rock River?
It is owned by the Town or Township Highway Agency.