US 18 over Rogg Creek
GoodSioux County, Iowa · 0.8 Mi. E of SR K30 · Structure no. 000000000048281
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 6,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 over Rogg Creek is a prestressed concrete stringer/multi-beam or girder carrying US 18 over Rogg Creek in Sioux County, Iowa. It was built in 1985, so it is 40 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 6,700 vehicles a day, roughly 12% of them trucks, projected to reach 6,700 by 2044. The structure is 154 ft (46.9 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 | 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 Rogg Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is US 18 over Rogg 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 June 2024.
How much traffic does US 18 over Rogg Creek carry?
About 6,700 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is US 18 over Rogg Creek?
The structure is 154 ft (46.9 m) long with a longest span of 57 ft (17.4 m) and a deck 43 ft wide.
Who owns US 18 over Rogg Creek?
It is owned by the State Highway Agency.