US 10 over ST Croix River
FairWashington County, Minnesota · At Wisconsin State Line · Structure no. 82010
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected April 2024
- Type
- Movable - Bascule
- Steel
- Length
- 684 ft
- 1 main span
- Daily traffic
- 17,382
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 10 over ST Croix River is a steel movable - bascule carrying US 10 over ST Croix River in Washington County, Minnesota. It was built in 1990, so it is 35 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 17,382 vehicles a day, roughly 5% of them trucks, projected to reach 16,200 by 2042. The structure is 684 ft (208.4 m) long and 66 ft wide. If it were closed, the detour would be 37.9 mi (61 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 10 over ST Croix River built?
It was built in 1990, making it 35 years old in 2025.
What condition is US 10 over ST Croix 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 April 2024.
How much traffic does US 10 over ST Croix River carry?
About 17,382 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is US 10 over ST Croix River?
The structure is 684 ft (208.4 m) long with a longest span of 205 ft (62.6 m) and a deck 66 ft wide.
Who owns US 10 over ST Croix River?
It is owned by the State Highway Agency.