Csah 9 over Knife River
GoodLake County, Minnesota · 2.0 MI W of JCT Mn 61 · Structure no. 38534
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 105 ft
- 1 main span
- Daily traffic
- 744
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 9 over Knife River is a prestressed concrete stringer/multi-beam or girder carrying Csah 9 over Knife River in Lake County, Minnesota. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 744 vehicles a day, projected to reach 759 by 2042. The structure is 105 ft (31.9 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 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 | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 9 over Knife River built?
It was built in 2021, making it 4 years old in 2025.
What condition is Csah 9 over Knife River 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 January 2024.
How much traffic does Csah 9 over Knife River carry?
About 744 vehicles per day (2022 count).
How long is Csah 9 over Knife River?
The structure is 105 ft (31.9 m) long with a longest span of 102 ft (31.1 m) and a deck 35 ft wide.
Who owns Csah 9 over Knife River?
It is owned by the County Highway Agency.