Csah 12 over Lester River
FairSt. Louis County, Minnesota · 0.1 MI E of 60th Ave E · Structure no. 69504
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 161 ft
- 1 main span
- Daily traffic
- 5,600
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 12 over Lester River is a prestressed concrete box beam or girders - multiple carrying Csah 12 over Lester River in St. Louis County, Minnesota. It was built in 1973, so it is 52 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 5,600 vehicles a day, projected to reach 5,600 by 2039. The structure is 161 ft (49.1 m) long and 66 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 12 over Lester River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Csah 12 over Lester 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 September 2024.
How much traffic does Csah 12 over Lester River carry?
About 5,600 vehicles per day (2019 count).
How long is Csah 12 over Lester River?
The structure is 161 ft (49.1 m) long with a longest span of 155 ft (47.2 m) and a deck 66 ft wide.
Who owns Csah 12 over Lester River?
It is owned by the County Highway Agency.