Mn 42 over I 90
FairOlmsted County, Minnesota · 6.1 MI E of JCT TH 52 · Structure no. 55808
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 279 ft
- 4 main spans
- Daily traffic
- 3,527
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 42 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Mn 42 over I 90 in Olmsted County, Minnesota. It was built in 1969, so it is 56 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 3,527 vehicles a day, roughly 16% of them trucks, projected to reach 4,200 by 2042. The structure is 279 ft (84.9 m) long and 48 ft wide.
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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 42 over I 90 built?
It was built in 1969, making it 56 years old in 2025.
What condition is Mn 42 over I 90 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 Mn 42 over I 90 carry?
About 3,527 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is Mn 42 over I 90?
The structure is 279 ft (84.9 m) long with a longest span of 86 ft (26.1 m) and a deck 48 ft wide.
Who owns Mn 42 over I 90?
It is owned by the State Highway Agency.