CR 51 over Ripple River
FairAitkin County, Minnesota · 1.7 MI N of JCT TH 18 · Structure no. 95612
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Concrete
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 86
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
CR 51 over Ripple River is a concrete culvert carrying CR 51 over Ripple River in Aitkin County, Minnesota. It was built in 1981, so it is 44 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 86 vehicles a day, projected to reach 90 by 2042. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 14.3 mi (23 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 51 over Ripple River built?
It was built in 1981, making it 44 years old in 2025.
What condition is CR 51 over Ripple 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 2024.
How much traffic does CR 51 over Ripple River carry?
About 86 vehicles per day (2022 count).
How long is CR 51 over Ripple River?
The structure is 29 ft (8.9 m) long with a longest span of 11 ft (3.5 m).
Who owns CR 51 over Ripple River?
It is owned by the County Highway Agency.