I 94 over ST Croix River Str; RR
FairWashington County, Minnesota · At Wisconsin State Line · Structure no. 9400
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,381 ft
- 9 main spans
- Daily traffic
- 36,376
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 94 over ST Croix River Str; RR is a steel continuous stringer/multi-beam or girder carrying I 94 over ST Croix River Str; RR in Washington County, Minnesota. It was built in 1971, so it is 54 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 36,376 vehicles a day, roughly 9% of them trucks, projected to reach 42,000 by 2042. The structure is 2,381 ft (725.8 m) long and 63 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 94 over ST Croix River Str; RR built?
It was built in 1971, making it 54 years old in 2025.
What condition is I 94 over ST Croix River Str; RR 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 I 94 over ST Croix River Str; RR carry?
About 36,376 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is I 94 over ST Croix River Str; RR?
The structure is 2,381 ft (725.8 m) long with a longest span of 390 ft (118.9 m) and a deck 63 ft wide.
Who owns I 94 over ST Croix River Str; RR?
It is owned by the State Highway Agency.