Csah 27 over Platte River
FairMorrison County, Minnesota · 1.2 MI N of JCT Csah 26 · Structure no. 49534
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 375
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 27 over Platte River is a wood or timber stringer/multi-beam or girder carrying Csah 27 over Platte River in Morrison County, Minnesota. It was built in 1985, so it is 40 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 375 vehicles a day, projected to reach 375 by 2037. The structure is 150 ft (45.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 27 over Platte River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Csah 27 over Platte 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 October 2023.
How much traffic does Csah 27 over Platte River carry?
About 375 vehicles per day (2017 count).
How long is Csah 27 over Platte River?
The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.
Who owns Csah 27 over Platte River?
It is owned by the County Highway Agency.