Csah 3 over Knife River
FairPosted for loadKanabec County, Minnesota · 1.9 MI E of JCT TH 47 · Structure no. 33512
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Wood or Timber
- Length
- 96 ft
- 3 main spans
- Daily traffic
- 450
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 3 over Knife River is a wood or timber slab carrying Csah 3 over Knife River in Kanabec County, Minnesota. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.
It carries about 450 vehicles a day, projected to reach 470 by 2038. The structure is 96 ft (29.3 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 3 over Knife River built?
It was built in 1975, making it 50 years old in 2025.
What condition is Csah 3 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 November 2023.
How much traffic does Csah 3 over Knife River carry?
About 450 vehicles per day (2018 count).
How long is Csah 3 over Knife River?
The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.
Who owns Csah 3 over Knife River?
It is owned by the County Highway Agency.