WB I-235 over 28th Street
GoodPolk County, Iowa · 2.6 Mi. E of Jct. Ia 28 · Structure no. 000000000042421
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 162 ft
- 3 main spans
- Daily traffic
- 55,350
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-235 over 28th Street is a prestressed concrete stringer/multi-beam or girder carrying WB I-235 over 28th Street in Polk County, Iowa. It was built in 2005, so it is 20 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 55,350 vehicles a day, roughly 7% of them trucks, projected to reach 55,350 by 2044. The structure is 162 ft (49.4 m) long and 90 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB I-235 over 28th Street built?
It was built in 2005, making it 20 years old in 2025.
What condition is WB I-235 over 28th Street 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 WB I-235 over 28th Street carry?
About 55,350 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is WB I-235 over 28th Street?
The structure is 162 ft (49.4 m) long with a longest span of 76 ft (23.2 m) and a deck 90 ft wide.
Who owns WB I-235 over 28th Street?
It is owned by the State Highway Agency.