US 18 over Ocheydon River Overflow
GoodClay County, Iowa · 2.4 Mi. W of S.R. M27 · Structure no. 000000000020291
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Concrete Continuous
- Length
- 83 ft
- 3 main spans
- Daily traffic
- 2,990
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 over Ocheydon River Overflow is a concrete continuous slab carrying US 18 over Ocheydon River Overflow in Clay 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 2,990 vehicles a day, roughly 26% of them trucks, projected to reach 2,990 by 2044. The structure is 83 ft (25.3 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 | 8 Very Good | No problems noted. |
| 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 US 18 over Ocheydon River Overflow built?
It was built in 1987, making it 38 years old in 2025.
What condition is US 18 over Ocheydon River Overflow 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 December 2024.
How much traffic does US 18 over Ocheydon River Overflow carry?
About 2,990 vehicles per day (2022 count), of which roughly 26% are trucks.
How long is US 18 over Ocheydon River Overflow?
The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.
Who owns US 18 over Ocheydon River Overflow?
It is owned by the State Highway Agency.