Csah 31 over I 90
GoodFaribault County, Minnesota · 3.0 MI E of JCT TH 22 · Structure no. 22819
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 350 ft
- 4 main spans
- Daily traffic
- 333
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 31 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Csah 31 over I 90 in Faribault 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 333 vehicles a day, projected to reach 290 by 2042. The structure is 350 ft (106.6 m) long and 40 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 31 over I 90 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Csah 31 over I 90 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does Csah 31 over I 90 carry?
About 333 vehicles per day (2022 count).
How long is Csah 31 over I 90?
The structure is 350 ft (106.6 m) long with a longest span of 96 ft (29.2 m) and a deck 40 ft wide.
Who owns Csah 31 over I 90?
It is owned by the State Highway Agency.