Ia 28 over I-235
GoodPolk County, Iowa · At Jct. I-235 · Structure no. 000000000042291
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 224 ft
- 2 main spans
- Daily traffic
- 23,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 28 over I-235 is a prestressed concrete stringer/multi-beam or girder carrying Ia 28 over I-235 in Polk County, Iowa. It was built in 2004, so it is 21 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 23,300 vehicles a day, roughly 4% of them trucks, projected to reach 23,300 by 2044. The structure is 224 ft (68.3 m) long and 101 ft wide.
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 Ia 28 over I-235 built?
It was built in 2004, making it 21 years old in 2025.
What condition is Ia 28 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 August 2024.
How much traffic does Ia 28 over I-235 carry?
About 23,300 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Ia 28 over I-235?
The structure is 224 ft (68.3 m) long with a longest span of 121 ft (36.9 m) and a deck 101 ft wide.
Who owns Ia 28 over I-235?
It is owned by the State Highway Agency.