Csah 12 over Crow River
FairHennepin County, Minnesota · At W CO Line in Dayton · Structure no. 27554
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 323 ft
- 3 main spans
- Daily traffic
- 4,800
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 12 over Crow River is a prestressed concrete stringer/multi-beam or girder carrying Csah 12 over Crow River in Hennepin 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 4,800 vehicles a day, projected to reach 5,200 by 2039. The structure is 323 ft (98.3 m) long and 39 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 12 over Crow River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Csah 12 over Crow 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 12 over Crow River carry?
About 4,800 vehicles per day (2019 count).
How long is Csah 12 over Crow River?
The structure is 323 ft (98.3 m) long with a longest span of 106 ft (32.4 m) and a deck 39 ft wide.
Who owns Csah 12 over Crow River?
It is owned by the County Highway Agency.