Mn 56 over Roberts Creek
GoodMower County, Minnesota · 1.1 MI N of JCT Csah 2 · Structure no. 6438
- Built
- 1955
- 70 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 2,175
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 56 over Roberts Creek is a concrete culvert carrying Mn 56 over Roberts Creek in Mower County, Minnesota. It was built in 1955, so it is 70 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,175 vehicles a day, roughly 10% of them trucks, projected to reach 2,250 by 2042. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 56 over Roberts Creek built?
It was built in 1955, making it 70 years old in 2025.
What condition is Mn 56 over Roberts Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does Mn 56 over Roberts Creek carry?
About 2,175 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Mn 56 over Roberts Creek?
The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3.2 m).
Who owns Mn 56 over Roberts Creek?
It is owned by the State Highway Agency.