US 18 over Plum Creek
GoodChickasaw County, Iowa · 0.1 Mi. E of E JCT SR V48 · Structure no. 000000000019741
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 2,920
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 over Plum Creek is a concrete continuous slab carrying US 18 over Plum Creek in Chickasaw County, Iowa. It was built in 1983, so it is 42 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 2,920 vehicles a day, roughly 13% of them trucks, projected to reach 2,920 by 2043. The structure is 103 ft (31.4 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 18 over Plum Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is US 18 over Plum 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 October 2023.
How much traffic does US 18 over Plum Creek carry?
About 2,920 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is US 18 over Plum Creek?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 47 ft wide.
Who owns US 18 over Plum Creek?
It is owned by the State Highway Agency.