Csah 12 over Mayhew Creek
GoodBenton County, Minnesota · 0.6 MI W of JCT CR 41 · Structure no. 05501
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected October 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 380
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 12 over Mayhew Creek is a prestressed concrete channel beam carrying Csah 12 over Mayhew Creek in Benton County, Minnesota. It was built in 1963, so it is 62 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 380 vehicles a day, projected to reach 330 by 2039. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 12 over Mayhew Creek built?
It was built in 1963, making it 62 years old in 2025.
What condition is Csah 12 over Mayhew 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 October 2024.
How much traffic does Csah 12 over Mayhew Creek carry?
About 380 vehicles per day (2019 count).
How long is Csah 12 over Mayhew Creek?
The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.4 m) and a deck 31 ft wide.
Who owns Csah 12 over Mayhew Creek?
It is owned by the County Highway Agency.