Csah 31 over I 35
GoodSteele County, Minnesota · 3.7 MI S of JCT TH 14; 35 · Structure no. 74805
- Built
- 1965
- 60 years old, rebuilt 2017
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 209 ft
- 4 main spans
- Daily traffic
- 225
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 31 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying Csah 31 over I 35 in Steele County, Minnesota. It was built in 1965 and reconstructed in 2017, so it is 60 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 225 vehicles a day, projected to reach 280 by 2039. The structure is 209 ft (63.7 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 31 over I 35 built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2017.
What condition is Csah 31 over I 35 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 35 carry?
About 225 vehicles per day (2019 count).
How long is Csah 31 over I 35?
The structure is 209 ft (63.7 m) long with a longest span of 67 ft (20.5 m) and a deck 33 ft wide.
Who owns Csah 31 over I 35?
It is owned by the State Highway Agency.