9th ST over Drainage
GoodClinton County, Iowa · 0.13MI West of U.S. 67 · Structure no. 000000000000911
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 327
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
9th ST over Drainage is a concrete continuous slab carrying 9th ST over Drainage in Clinton County, Iowa. It was built in 2011, so it is 14 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 327 vehicles a day, projected to reach 327 by 2044. The structure is 80 ft (24.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 9th ST over Drainage built?
It was built in 2011, making it 14 years old in 2025.
What condition is 9th ST 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 October 2024.
How much traffic does 9th ST over Drainage carry?
About 327 vehicles per day (2022 count).
How long is 9th ST over Drainage?
The structure is 80 ft (24.4 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.
Who owns 9th ST over Drainage?
It is owned by the City or Municipal Highway Agency.