SB US 61 over I-80
FairScott County, Iowa · At Jct. I-80 · Structure no. 000000000046970
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 251 ft
- 4 main spans
- Daily traffic
- 13,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB US 61 over I-80 is a prestressed concrete stringer/multi-beam or girder carrying SB US 61 over I-80 in Scott County, Iowa. It was built in 1963, so it is 62 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 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 13,200 vehicles a day, roughly 10% of them trucks, projected to reach 13,200 by 2044. The structure is 251 ft (76.5 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB US 61 over I-80 built?
It was built in 1963, making it 62 years old in 2025.
What condition is SB US 61 over I-80 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 SB US 61 over I-80 carry?
About 13,200 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is SB US 61 over I-80?
The structure is 251 ft (76.5 m) long with a longest span of 77 ft (23.5 m) and a deck 46 ft wide.
Who owns SB US 61 over I-80?
It is owned by the State Highway Agency.