Mn 9 over I 94
FairClay County, Minnesota · At the JCT of TH 9; 94 · Structure no. 14807
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 298 ft
- 4 main spans
- Daily traffic
- 866
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 9 over I 94 is a prestressed concrete stringer/multi-beam or girder carrying Mn 9 over I 94 in Clay County, Minnesota. It was built in 1968, so it is 57 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 5 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 866 vehicles a day, roughly 20% of them trucks, projected to reach 1,900 by 2042. The structure is 298 ft (90.8 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 9 over I 94 built?
It was built in 1968, making it 57 years old in 2025.
What condition is Mn 9 over I 94 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 2023.
How much traffic does Mn 9 over I 94 carry?
About 866 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is Mn 9 over I 94?
The structure is 298 ft (90.8 m) long with a longest span of 91 ft (27.6 m) and a deck 48 ft wide.
Who owns Mn 9 over I 94?
It is owned by the State Highway Agency.