T 170 over I 90
GoodJackson County, Minnesota · 5.0 MI W of JCT TH 86 · Structure no. 32816
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 278 ft
- 4 main spans
- Daily traffic
- 50
- 1973 count
- Owner
- State
- State Highway Agency
About this bridge
T 170 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying T 170 over I 90 in Jackson County, Minnesota. It was built in 1971, so it is 54 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 278 ft (84.8 m) long and 36 ft wide.
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 T 170 over I 90 built?
It was built in 1971, making it 54 years old in 2025.
What condition is T 170 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 T 170 over I 90 carry?
About 50 vehicles per day (1973 count).
How long is T 170 over I 90?
The structure is 278 ft (84.8 m) long with a longest span of 86 ft (26.1 m) and a deck 36 ft wide.
Who owns T 170 over I 90?
It is owned by the State Highway Agency.