I 90 over N Br Root River
FairOlmsted County, Minnesota · 4.0 MI SW of JCT TH 63 · Structure no. 9857
- Built
- 1961
- 64 years old, rebuilt 1984
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 5,824
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over N Br Root River is a prestressed concrete stringer/multi-beam or girder carrying I 90 over N Br Root River in Olmsted County, Minnesota. It was built in 1961 and reconstructed in 1984, so it is 64 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 5,824 vehicles a day, roughly 11% of them trucks, projected to reach 5,800 by 2042. The structure is 182 ft (55.5 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 over N Br Root River built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1984.
What condition is I 90 over N Br Root River 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 September 2024.
How much traffic does I 90 over N Br Root River carry?
About 5,824 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is I 90 over N Br Root River?
The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.
Who owns I 90 over N Br Root River?
It is owned by the State Highway Agency.