M 8 over Rush Creek
FairChisago County, Minnesota · 0.2 MI S of JCT TH 361 · Structure no. 91580
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected September 2022
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 300
- 1970 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
M 8 over Rush Creek is a concrete culvert carrying M 8 over Rush Creek in Chisago 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 300 vehicles a day, projected to reach 300 by 2029. The structure is 25 ft (7.7 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 | 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 M 8 over Rush Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is M 8 over Rush 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 September 2022.
How much traffic does M 8 over Rush Creek carry?
About 300 vehicles per day (1970 count).
How long is M 8 over Rush Creek?
The structure is 25 ft (7.7 m) long with a longest span of 10 ft (3.1 m).
Who owns M 8 over Rush Creek?
It is owned by the City or Municipal Highway Agency.