WB I-235 over 15th Street
GoodPolk County, Iowa · At Junction With US 69 · Structure no. 000000000601356
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 38,550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-235 over 15th Street is a steel continuous stringer/multi-beam or girder carrying WB I-235 over 15th 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 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 38,550 vehicles a day, roughly 8% of them trucks, projected to reach 38,550 by 2043. The structure is 179 ft (54.6 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 | 8 Very Good | No problems noted. |
| 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 15th Street built?
It was built in 2005, making it 20 years old in 2025.
What condition is WB I-235 over 15th 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 September 2023.
How much traffic does WB I-235 over 15th Street carry?
About 38,550 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is WB I-235 over 15th Street?
The structure is 179 ft (54.6 m) long with a longest span of 86 ft (26.2 m) and a deck 74 ft wide.
Who owns WB I-235 over 15th Street?
It is owned by the State Highway Agency.