9th Street over I-235
GoodPolk County, Iowa · 3.9 Mi. E of Jct. Ia 28 · Structure no. 000000000042571
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 308 ft
- 3 main spans
- Daily traffic
- 5,534
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
9th Street over I-235 is a steel continuous stringer/multi-beam or girder carrying 9th Street over I-235 in Polk County, Iowa. It was built in 2007, so it is 18 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 5,534 vehicles a day, projected to reach 5,534 by 2044. The structure is 308 ft (93.9 m) long and 74 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 9th Street over I-235 built?
It was built in 2007, making it 18 years old in 2025.
What condition is 9th Street over I-235 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 Street over I-235 carry?
About 5,534 vehicles per day (2022 count).
How long is 9th Street over I-235?
The structure is 308 ft (93.9 m) long with a longest span of 121 ft (36.9 m) and a deck 74 ft wide.
Who owns 9th Street over I-235?
It is owned by the State Highway Agency.