Ia 22 over Iowa River
GoodJohnson County, Iowa · 0.4 Mi. W of SR W66 · Structure no. 000000000031861
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 443 ft
- 5 main spans
- Daily traffic
- 4,250
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 22 over Iowa River is a prestressed concrete stringer/multi-beam or girder carrying Ia 22 over Iowa River in Johnson County, Iowa. It was built in 1987, so it is 38 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 4,250 vehicles a day, roughly 13% of them trucks, projected to reach 4,250 by 2043. The structure is 443 ft (135 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 22 over Iowa River built?
It was built in 1987, making it 38 years old in 2025.
What condition is Ia 22 over Iowa River 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 August 2023.
How much traffic does Ia 22 over Iowa River carry?
About 4,250 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is Ia 22 over Iowa River?
The structure is 443 ft (135 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.
Who owns Ia 22 over Iowa River?
It is owned by the State Highway Agency.