I 90 over Csah 9
GoodRock County, Minnesota · 2.0 MI E of JCT TH 75 · Structure no. 67807
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 4,900
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Csah 9 is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Csah 9 in Rock County, Minnesota. It was built in 1965, 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 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 4,900 vehicles a day, roughly 13% of them trucks, projected to reach 4,900 by 2039. The structure is 112 ft (34 m) long and 41 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 I 90 over Csah 9 built?
It was built in 1965, making it 60 years old in 2025.
What condition is I 90 over Csah 9 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 August 2023.
How much traffic does I 90 over Csah 9 carry?
About 4,900 vehicles per day (2014 count), of which roughly 13% are trucks.
How long is I 90 over Csah 9?
The structure is 112 ft (34 m) long with a longest span of 43 ft (13 m) and a deck 41 ft wide.
Who owns I 90 over Csah 9?
It is owned by the State Highway Agency.