US 18 over Dry Run Creek
FairLyon County, Iowa · 0.7 Mi. W of SR A50 · Structure no. 000000000034501
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 2,240
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 over Dry Run Creek is a concrete continuous culvert carrying US 18 over Dry Run Creek in Lyon County, Iowa. It was built in 1975, so it is 50 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,240 vehicles a day, roughly 30% of them trucks, projected to reach 2,240 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 18 over Dry Run Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is US 18 over Dry Run Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does US 18 over Dry Run Creek carry?
About 2,240 vehicles per day (2022 count), of which roughly 30% are trucks.
How long is US 18 over Dry Run Creek?
The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).
Who owns US 18 over Dry Run Creek?
It is owned by the State Highway Agency.