Ia 51 over Yellow River
GoodAllamakee County, Iowa · 4.0 Mi. N of Jct. 18 · Structure no. 000000000013580
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 245 ft
- 3 main spans
- Daily traffic
- 2,690
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 51 over Yellow River is a steel continuous stringer/multi-beam or girder carrying Ia 51 over Yellow River in Allamakee County, Iowa. It was built in 1967, so it is 58 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 2,690 vehicles a day, roughly 18% of them trucks, projected to reach 2,690 by 2043. The structure is 245 ft (74.7 m) long and 35 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 51 over Yellow River built?
It was built in 1967, making it 58 years old in 2025.
What condition is Ia 51 over Yellow 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 51 over Yellow River carry?
About 2,690 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Ia 51 over Yellow River?
The structure is 245 ft (74.7 m) long with a longest span of 94 ft (28.7 m) and a deck 35 ft wide.
Who owns Ia 51 over Yellow River?
It is owned by the State Highway Agency.