US 59 over Drainage
GoodShelby County, Iowa · 2.5 Mi. N of Jct. Ia 37 · Structure no. 000000000047810
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 3,080
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 59 over Drainage is a concrete continuous culvert carrying US 59 over Drainage in Shelby County, Iowa. It was built in 1970, so it is 55 years old, older 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 3,080 vehicles a day, roughly 20% of them trucks, projected to reach 3,080 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.7 mi (14 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 59 over Drainage built?
It was built in 1970, making it 55 years old in 2025.
What condition is US 59 over Drainage 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 2024.
How much traffic does US 59 over Drainage carry?
About 3,080 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is US 59 over Drainage?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).
Who owns US 59 over Drainage?
It is owned by the State Highway Agency.