Csah 8 over Boy River
FairCass County, Minnesota · 0.9 MI N of JCT CR 172 · Structure no. 11529
- Built
- 2014
- 11 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 780
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 8 over Boy River is a concrete continuous slab carrying Csah 8 over Boy River in Cass County, Minnesota. It was built in 2014, so it is 11 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 780 vehicles a day, projected to reach 700 by 2039. The structure is 102 ft (31.2 m) long and 52 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 8 over Boy River built?
It was built in 2014, making it 11 years old in 2025.
What condition is Csah 8 over Boy 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 August 2023.
How much traffic does Csah 8 over Boy River carry?
About 780 vehicles per day (2019 count).
How long is Csah 8 over Boy River?
The structure is 102 ft (31.2 m) long with a longest span of 38 ft (11.6 m) and a deck 52 ft wide.
Who owns Csah 8 over Boy River?
It is owned by the County Highway Agency.