WB I-80 over Iais RR
GoodAdair County, Iowa · 0.5 Mi. W of SR N54 · Structure no. 000000000013111
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 308 ft
- 3 main spans
- Daily traffic
- 12,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-80 over Iais RR is a steel continuous stringer/multi-beam or girder carrying WB I-80 over Iais RR in Adair County, Iowa. It was built in 2009, so it is 16 years old, younger 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 12,100 vehicles a day, roughly 40% of them trucks, projected to reach 12,100 by 2044. The structure is 308 ft (93.9 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
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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB I-80 over Iais RR built?
It was built in 2009, making it 16 years old in 2025.
What condition is WB I-80 over Iais RR 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 December 2024.
How much traffic does WB I-80 over Iais RR carry?
About 12,100 vehicles per day (2022 count), of which roughly 40% are trucks.
How long is WB I-80 over Iais RR?
The structure is 308 ft (93.9 m) long with a longest span of 120 ft (36.6 m) and a deck 43 ft wide.
Who owns WB I-80 over Iais RR?
It is owned by the State Highway Agency.