Mn 23 over Ann River
FairKanabec County, Minnesota · 3.5 MI W of Mora · Structure no. 8746
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 5,800
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 23 over Ann River is a concrete culvert carrying Mn 23 over Ann River in Kanabec County, Minnesota. It was built in 1951, so it is 74 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 5,800 vehicles a day, roughly 7% of them trucks, projected to reach 5,600 by 2038. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 69 mi (111 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 23 over Ann River built?
It was built in 1951, making it 74 years old in 2025.
What condition is Mn 23 over Ann 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 August 2023.
How much traffic does Mn 23 over Ann River carry?
About 5,800 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is Mn 23 over Ann River?
The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).
Who owns Mn 23 over Ann River?
It is owned by the State Highway Agency.