Csah 37 over I 90
FairWinona County, Minnesota · 3.4 MI SE of JCT TH 74 · Structure no. 85847
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 285 ft
- 4 main spans
- Daily traffic
- 210
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 37 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Csah 37 over I 90 in Winona County, Minnesota. It was built in 1969, so it is 56 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 210 vehicles a day, projected to reach 230 by 2039. The structure is 285 ft (87 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 37 over I 90 built?
It was built in 1969, making it 56 years old in 2025.
What condition is Csah 37 over I 90 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 Csah 37 over I 90 carry?
About 210 vehicles per day (2019 count).
How long is Csah 37 over I 90?
The structure is 285 ft (87 m) long with a longest span of 86 ft (26.2 m) and a deck 36 ft wide.
Who owns Csah 37 over I 90?
It is owned by the State Highway Agency.