I 494 over Mississippi R; UP RR
FairWashington County, Minnesota · At Dakota/Washington CO · Structure no. 82856
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected August 2023
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 1,892 ft
- 5 main spans
- Daily traffic
- 51,236
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 494 over Mississippi R; UP RR is a prestressed concrete continuous segmental box girder carrying I 494 over Mississippi R; UP RR in Washington County, Minnesota. It was built in 2003, so it is 22 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 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 51,236 vehicles a day, roughly 13% of them trucks, projected to reach 61,000 by 2042. The structure is 1,892 ft (576.6 m) long and 99 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 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 I 494 over Mississippi R; UP RR built?
It was built in 2003, making it 22 years old in 2025.
What condition is I 494 over Mississippi R; UP 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 August 2023.
How much traffic does I 494 over Mississippi R; UP RR carry?
About 51,236 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is I 494 over Mississippi R; UP RR?
The structure is 1,892 ft (576.6 m) long with a longest span of 466 ft (142 m) and a deck 99 ft wide.
Who owns I 494 over Mississippi R; UP RR?
It is owned by the State Highway Agency.