Csah 12 over Blue Earth River
FairFaribault County, Minnesota · 1.4 MI W of JCT TH 169 · Structure no. 22579
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 246 ft
- 3 main spans
- Daily traffic
- 540
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 12 over Blue Earth River is a steel continuous stringer/multi-beam or girder carrying Csah 12 over Blue Earth River in Faribault County, Minnesota. It was built in 1987, so it is 38 years old, younger 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 5 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 540 vehicles a day, projected to reach 640 by 2039. The structure is 246 ft (75.1 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 12 over Blue Earth River built?
It was built in 1987, making it 38 years old in 2025.
What condition is Csah 12 over Blue Earth 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 12 over Blue Earth River carry?
About 540 vehicles per day (2019 count).
How long is Csah 12 over Blue Earth River?
The structure is 246 ft (75.1 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.
Who owns Csah 12 over Blue Earth River?
It is owned by the County Highway Agency.