Ia 26 over Upper Iowa River
GoodAllamakee County, Iowa · 0.6 Mi. S of Jct. SR A26 · Structure no. 000000000013541
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 261 ft
- 3 main spans
- Daily traffic
- 1,540
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 26 over Upper Iowa River is a prestressed concrete stringer/multi-beam or girder carrying Ia 26 over Upper Iowa River in Allamakee County, Iowa. It was built in 1997, so it is 28 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 1,540 vehicles a day, roughly 8% of them trucks, projected to reach 1,540 by 2044. The structure is 261 ft (79.6 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 26 over Upper Iowa River built?
It was built in 1997, making it 28 years old in 2025.
What condition is Ia 26 over Upper 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 May 2024.
How much traffic does Ia 26 over Upper Iowa River carry?
About 1,540 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Ia 26 over Upper Iowa River?
The structure is 261 ft (79.6 m) long with a longest span of 96 ft (29.3 m) and a deck 39 ft wide.
Who owns Ia 26 over Upper Iowa River?
It is owned by the State Highway Agency.