Gibbon Ave over I-80
GoodAdair County, Iowa · 3.0 Mi. E of Jct. SR N54 · Structure no. 000000000013130
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 227 ft
- 4 main spans
- Daily traffic
- 26
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Gibbon Ave over I-80 is a prestressed concrete stringer/multi-beam or girder carrying Gibbon Ave over I-80 in Adair County, Iowa. It was built in 1958, so it is 67 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 227 ft (69.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Gibbon Ave over I-80 built?
It was built in 1958, making it 67 years old in 2025.
What condition is Gibbon Ave over I-80 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does Gibbon Ave over I-80 carry?
About 26 vehicles per day (2023 count).
How long is Gibbon Ave over I-80?
The structure is 227 ft (69.2 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.
Who owns Gibbon Ave over I-80?
It is owned by the State Highway Agency.