Csah 46 over Maple River
FairBlue Earth County, Minnesota · 0.3 MI E of JCT Csah 7 · Structure no. 07592
- Built
- 2013
- 12 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 248
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 46 over Maple River is a prestressed concrete box beam or girders - multiple carrying Csah 46 over Maple River in Blue Earth County, Minnesota. It was built in 2013, so it is 12 years old, younger 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 248 vehicles a day, projected to reach 380 by 2041. The structure is 67 ft (20.5 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 46 over Maple River built?
It was built in 2013, making it 12 years old in 2025.
What condition is Csah 46 over Maple River 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 December 2024.
How much traffic does Csah 46 over Maple River carry?
About 248 vehicles per day (2021 count).
How long is Csah 46 over Maple River?
The structure is 67 ft (20.5 m) long with a longest span of 66 ft (20.2 m) and a deck 37 ft wide.
Who owns Csah 46 over Maple River?
It is owned by the County Highway Agency.