US 218 over Little Potomac
FairHenry County, Iowa · 1.5 MI S of SR H28 · Structure no. 000000000028540
- Built
- 1958
- 67 years old, rebuilt 1999
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 52 ft
- 3 main spans
- Daily traffic
- 13,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 218 over Little Potomac is a concrete continuous culvert carrying US 218 over Little Potomac in Henry County, Iowa. It was built in 1958 and reconstructed in 1999, so it is 67 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 13,300 vehicles a day, roughly 23% of them trucks, projected to reach 13,300 by 2042. The structure is 52 ft (15.9 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 218 over Little Potomac built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1999.
What condition is US 218 over Little Potomac 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 April 2023.
How much traffic does US 218 over Little Potomac carry?
About 13,300 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is US 218 over Little Potomac?
The structure is 52 ft (15.9 m) long with a longest span of 18 ft (5.5 m).
Who owns US 218 over Little Potomac?
It is owned by the State Highway Agency.