Csah 4 over Mayhew Creek
FairBenton County, Minnesota · 0.8 MI E of JCT Csah 1 · Structure no. 93430
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 41 ft
- 3 main spans
- Daily traffic
- 1,550
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 4 over Mayhew Creek is a concrete culvert carrying Csah 4 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 1,550 vehicles a day, projected to reach 1,400 by 2039. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 6.2 mi (10 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 Csah 4 over Mayhew Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Csah 4 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 November 2023.
How much traffic does Csah 4 over Mayhew Creek carry?
About 1,550 vehicles per day (2019 count).
How long is Csah 4 over Mayhew Creek?
The structure is 41 ft (12.5 m) long with a longest span of 10 ft (3 m).
Who owns Csah 4 over Mayhew Creek?
It is owned by the County Highway Agency.