Csah 38 over Knife River
FairLake County, Minnesota · 0.1 MI NW of JCT TH 61 · Structure no. 38510
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 96 ft
- 1 main span
- Daily traffic
- 126
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 38 over Knife River is a prestressed concrete tee beam carrying Csah 38 over Knife River in Lake County, Minnesota. It was built in 1978, so it is 47 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 126 vehicles a day, projected to reach 140 by 2042. The structure is 96 ft (29.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 38 over Knife River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Csah 38 over Knife 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 June 2023.
How much traffic does Csah 38 over Knife River carry?
About 126 vehicles per day (2022 count).
How long is Csah 38 over Knife River?
The structure is 96 ft (29.2 m) long with a longest span of 93 ft (28.3 m) and a deck 40 ft wide.
Who owns Csah 38 over Knife River?
It is owned by the County Highway Agency.