Mn 55 over Lake ST
FairHennepin County, Minnesota · 1.2 MI S of JCT TH 94 · Structure no. 27201
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Steel Continuous
- Length
- 505 ft
- 3 main spans
- Daily traffic
- 29,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Mn 55 over Lake ST is a steel continuous box beam or girders - multiple carrying Mn 55 over Lake ST in Hennepin County, Minnesota. It was built in 1996, so it is 29 years old, younger 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 29,500 vehicles a day, roughly 4% of them trucks, projected to reach 44,000 by 2040. The structure is 505 ft (153.9 m) long and 110 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mn 55 over Lake ST built?
It was built in 1996, making it 29 years old in 2025.
What condition is Mn 55 over Lake ST 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 55 over Lake ST carry?
About 29,500 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Mn 55 over Lake ST?
The structure is 505 ft (153.9 m) long with a longest span of 235 ft (71.6 m) and a deck 110 ft wide.
Who owns Mn 55 over Lake ST?
It is owned by the State Highway Agency.