Csah 31 over Minnehaha Creek
FairHennepin County, Minnesota · 0.5 MI S of JCT Csah 21 · Structure no. 90489
- Built
- 1916
- 109 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 8,706
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 31 over Minnehaha Creek is a concrete culvert carrying Csah 31 over Minnehaha Creek in Hennepin County, Minnesota. It was built in 1916, so it is 109 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 8,706 vehicles a day, roughly 2% of them trucks, projected to reach 8,900 by 2041. The structure is 30 ft (9 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 31 over Minnehaha Creek built?
It was built in 1916, making it 109 years old in 2025.
What condition is Csah 31 over Minnehaha 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 May 2024.
How much traffic does Csah 31 over Minnehaha Creek carry?
About 8,706 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is Csah 31 over Minnehaha Creek?
The structure is 30 ft (9 m) long with a longest span of 26 ft (7.8 m).
Who owns Csah 31 over Minnehaha Creek?
It is owned by the County Highway Agency.