US 71 over Prairie Creek
GoodClay County, Iowa · 1.4 Mi. N of Jct. SR B40 · Structure no. 000000000020401
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 101 ft
- 3 main spans
- Daily traffic
- 4,770
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 71 over Prairie Creek is a concrete continuous slab carrying US 71 over Prairie Creek in Clay County, Iowa. It was built in 2017, so it is 8 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 4,770 vehicles a day, roughly 14% of them trucks, projected to reach 4,770 by 2043. The structure is 101 ft (30.7 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 71 over Prairie Creek built?
It was built in 2017, making it 8 years old in 2025.
What condition is US 71 over Prairie Creek 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 September 2023.
How much traffic does US 71 over Prairie Creek carry?
About 4,770 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is US 71 over Prairie Creek?
The structure is 101 ft (30.7 m) long with a longest span of 39 ft (11.9 m) and a deck 47 ft wide.
Who owns US 71 over Prairie Creek?
It is owned by the State Highway Agency.