Csah 8 over Mayhew Creek
FairBenton County, Minnesota · 1.3 MI W of JCT TH 23 · Structure no. L9874
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2022
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 1,030
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 8 over Mayhew Creek is a concrete culvert carrying Csah 8 over Mayhew Creek in Benton County, Minnesota. It was built in 1979, so it is 46 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 1,030 vehicles a day, roughly 4% of them trucks, projected to reach 1,200 by 2041. The structure is 32 ft (9.9 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 8 over Mayhew Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Csah 8 over Mayhew 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 2022.
How much traffic does Csah 8 over Mayhew Creek carry?
About 1,030 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is Csah 8 over Mayhew Creek?
The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.5 m).
Who owns Csah 8 over Mayhew Creek?
It is owned by the County Highway Agency.