US 18 over Drainage Ditch
GoodKossuth County, Iowa · 0.2 MI W of Jct. U.S. 169 · Structure no. 000000000032831
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 4,660
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 over Drainage Ditch is a prestressed concrete stringer/multi-beam or girder carrying US 18 over Drainage Ditch in Kossuth County, Iowa. It was built in 1993, so it is 32 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,660 vehicles a day, roughly 13% of them trucks, projected to reach 4,660 by 2044. The structure is 93 ft (28.3 m) long and 59 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Drainage Ditch built?
It was built in 1993, making it 32 years old in 2025.
What condition is US 18 over Drainage Ditch 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 July 2024.
How much traffic does US 18 over Drainage Ditch carry?
About 4,660 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is US 18 over Drainage Ditch?
The structure is 93 ft (28.3 m) long with a longest span of 90 ft (27.4 m) and a deck 59 ft wide.
Who owns US 18 over Drainage Ditch?
It is owned by the State Highway Agency.