I-280 (nb-Wb) over US 61
FairScott County, Iowa · At Jct. US 61 · Structure no. 000000000600730
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 163 ft
- 3 main spans
- Daily traffic
- 7,900
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-280 (nb-Wb) over US 61 is a prestressed concrete stringer/multi-beam or girder carrying I-280 (nb-Wb) over US 61 in Scott County, Iowa. It was built in 1970, so it is 55 years old, older than the Iowa average of 45.5 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 7,900 vehicles a day, roughly 40% of them trucks, projected to reach 7,900 by 2044. The structure is 163 ft (49.7 m) long and 43 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-280 (nb-Wb) over US 61 built?
It was built in 1970, making it 55 years old in 2025.
What condition is I-280 (nb-Wb) over US 61 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 I-280 (nb-Wb) over US 61 carry?
About 7,900 vehicles per day (2022 count), of which roughly 40% are trucks.
How long is I-280 (nb-Wb) over US 61?
The structure is 163 ft (49.7 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.
Who owns I-280 (nb-Wb) over US 61?
It is owned by the State Highway Agency.