Mn 18 over Pine River
FairPine County, Minnesota · 10.4 MI W of N JCT TH 23 · Structure no. 8921
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 629
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 18 over Pine River is a concrete culvert carrying Mn 18 over Pine River in Pine County, Minnesota. It was built in 1956, so it is 69 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 629 vehicles a day, roughly 9% of them trucks, projected to reach 630 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 47.8 mi (77 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 Mn 18 over Pine River built?
It was built in 1956, making it 69 years old in 2025.
What condition is Mn 18 over Pine 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 July 2023.
How much traffic does Mn 18 over Pine River carry?
About 629 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Mn 18 over Pine River?
The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).
Who owns Mn 18 over Pine River?
It is owned by the State Highway Agency.