US 169 over Csah 31
FairMille Lacs County, Minnesota · 0.5 MI S of JCT TH 95 · Structure no. 48010
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 7,973
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 169 over Csah 31 is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Csah 31 in Mille Lacs County, Minnesota. It was built in 1979, so it is 46 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 7,973 vehicles a day, roughly 4% of them trucks, projected to reach 9,150 by 2042. The structure is 168 ft (51.1 m) long and 44 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 169 over Csah 31 built?
It was built in 1979, making it 46 years old in 2025.
What condition is US 169 over Csah 31 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 October 2024.
How much traffic does US 169 over Csah 31 carry?
About 7,973 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is US 169 over Csah 31?
The structure is 168 ft (51.1 m) long with a longest span of 78 ft (23.8 m) and a deck 44 ft wide.
Who owns US 169 over Csah 31?
It is owned by the State Highway Agency.