Mn 23 over Three Mile Creek
FairLyon County, Minnesota · 5.9 MI N of JCT TH 19 · Structure no. 42007
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 4,677
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 23 over Three Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Mn 23 over Three Mile Creek in Lyon County, Minnesota. It was built in 1973, so it is 52 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 5 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 4,677 vehicles a day, roughly 17% of them trucks, projected to reach 5,300 by 2042. The structure is 150 ft (45.8 m) long and 50 ft wide. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 23 over Three Mile Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is Mn 23 over Three Mile Creek 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 Mn 23 over Three Mile Creek carry?
About 4,677 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is Mn 23 over Three Mile Creek?
The structure is 150 ft (45.8 m) long with a longest span of 50 ft (15.2 m) and a deck 50 ft wide.
Who owns Mn 23 over Three Mile Creek?
It is owned by the State Highway Agency.