Mn 4 over Mn 60
FairWatonwan County, Minnesota · At the E JCT TH 4 · Structure no. 83026
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 312 ft
- 4 main spans
- Daily traffic
- 3,585
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 4 over Mn 60 is a prestressed concrete stringer/multi-beam or girder carrying Mn 4 over Mn 60 in Watonwan County, Minnesota. It was built in 1977, so it is 48 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 3,585 vehicles a day, roughly 10% of them trucks, projected to reach 3,650 by 2042. The structure is 312 ft (95 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 4 over Mn 60 built?
It was built in 1977, making it 48 years old in 2025.
What condition is Mn 4 over Mn 60 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 2024.
How much traffic does Mn 4 over Mn 60 carry?
About 3,585 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Mn 4 over Mn 60?
The structure is 312 ft (95 m) long with a longest span of 96 ft (29.4 m) and a deck 72 ft wide.
Who owns Mn 4 over Mn 60?
It is owned by the State Highway Agency.