Mn 43 over Mississippi River
FairWinona County, Minnesota · At State Line · Structure no. 5930
- Built
- 1943
- 82 years old, rebuilt 1997
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,008 ft
- 10 main spans
- Daily traffic
- 9,809
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 43 over Mississippi River is a prestressed concrete stringer/multi-beam or girder carrying Mn 43 over Mississippi River in Winona County, Minnesota. It was built in 1943 and reconstructed in 1997, so it is 82 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 9,809 vehicles a day, roughly 7% of them trucks, projected to reach 10,500 by 2042. The structure is 1,008 ft (307.3 m) long and 61 ft wide. If it were closed, the detour would be 65.2 mi (105 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 43 over Mississippi River built?
It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1997.
What condition is Mn 43 over Mississippi 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 June 2024.
How much traffic does Mn 43 over Mississippi River carry?
About 9,809 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Mn 43 over Mississippi River?
The structure is 1,008 ft (307.3 m) long with a longest span of 100 ft (30.6 m) and a deck 61 ft wide.
Who owns Mn 43 over Mississippi River?
It is owned by the State Highway Agency.