US 218 over Rock Creek
GoodBenton County, Iowa · 0.7 Mi. S of Jct. SR D65 · Structure no. 000000000014371
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 104 ft
- 3 main spans
- Daily traffic
- 1,160
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 218 over Rock Creek is a concrete continuous slab carrying US 218 over Rock Creek in Benton County, Iowa. It was built in 1990, so it is 35 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 1,160 vehicles a day, roughly 18% of them trucks, projected to reach 1,160 by 2042. The structure is 104 ft (31.7 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 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 218 over Rock Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is US 218 over Rock 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 May 2023.
How much traffic does US 218 over Rock Creek carry?
About 1,160 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is US 218 over Rock Creek?
The structure is 104 ft (31.7 m) long with a longest span of 39 ft (11.9 m) and a deck 43 ft wide.
Who owns US 218 over Rock Creek?
It is owned by the State Highway Agency.