Con 3490 over TH 280 NB
FairRamsey County, Minnesota · At JCT TH 280; 35W · Structure no. 62853
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 294 ft
- 3 main spans
- Daily traffic
- 24,185
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Con 3490 over TH 280 NB is a steel continuous stringer/multi-beam or girder carrying Con 3490 over TH 280 NB in Ramsey County, Minnesota. It was built in 1970, so it is 55 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 24,185 vehicles a day, projected to reach 10,000 by 2042. The structure is 294 ft (89.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Con 3490 over TH 280 NB built?
It was built in 1970, making it 55 years old in 2025.
What condition is Con 3490 over TH 280 NB 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 May 2024.
How much traffic does Con 3490 over TH 280 NB carry?
About 24,185 vehicles per day (2022 count).
How long is Con 3490 over TH 280 NB?
The structure is 294 ft (89.7 m) long with a longest span of 115 ft (34.9 m) and a deck 43 ft wide.
Who owns Con 3490 over TH 280 NB?
It is owned by the State Highway Agency.