Ia 25 over Middle River
GoodAdair County, Iowa · 1.2 Mi. S of I-80 · Structure no. 000000000012981
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 229 ft
- 3 main spans
- Daily traffic
- 2,080
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 25 over Middle River is a prestressed concrete stringer/multi-beam or girder carrying Ia 25 over Middle River in Adair County, Iowa. It was built in 2018, so it is 7 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 2,080 vehicles a day, roughly 21% of them trucks, projected to reach 2,080 by 2044. The structure is 229 ft (69.9 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 25 over Middle River built?
It was built in 2018, making it 7 years old in 2025.
What condition is Ia 25 over Middle 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 May 2024.
How much traffic does Ia 25 over Middle River carry?
About 2,080 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is Ia 25 over Middle River?
The structure is 229 ft (69.9 m) long with a longest span of 81 ft (24.8 m) and a deck 43 ft wide.
Who owns Ia 25 over Middle River?
It is owned by the State Highway Agency.