NB US 218 over Crooked Creek
GoodJohnson County, Iowa · 2.3 Mi. S of SR F62. · Structure no. 000000000604560
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 126 ft
- 3 main spans
- Daily traffic
- 9,650
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NB US 218 over Crooked Creek is a prestressed concrete stringer/multi-beam or girder carrying NB US 218 over Crooked Creek in Johnson County, Iowa. It was built in 1982, so it is 43 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 9,650 vehicles a day, roughly 16% of them trucks, projected to reach 9,650 by 2043. The structure is 126 ft (38.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 NB US 218 over Crooked Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is NB US 218 over Crooked 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 April 2023.
How much traffic does NB US 218 over Crooked Creek carry?
About 9,650 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is NB US 218 over Crooked Creek?
The structure is 126 ft (38.4 m) long with a longest span of 52 ft (15.9 m) and a deck 43 ft wide.
Who owns NB US 218 over Crooked Creek?
It is owned by the State Highway Agency.