Nb(wb) Polk Blv over I-235
GoodPolk County, Iowa · 1.2 Miles E of JCT Ia 28 · Structure no. 000000000042341
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 2 main spans
- Daily traffic
- 4,037
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Nb(wb) Polk Blv over I-235 is a prestressed concrete stringer/multi-beam or girder carrying Nb(wb) Polk Blv over I-235 in Polk County, Iowa. It was built in 2003, so it is 22 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 4,037 vehicles a day, projected to reach 4,037 by 2044. The structure is 205 ft (62.5 m) long and 37 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 Nb(wb) Polk Blv over I-235 built?
It was built in 2003, making it 22 years old in 2025.
What condition is Nb(wb) Polk Blv 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 May 2024.
How much traffic does Nb(wb) Polk Blv over I-235 carry?
About 4,037 vehicles per day (2022 count).
How long is Nb(wb) Polk Blv over I-235?
The structure is 205 ft (62.5 m) long with a longest span of 101 ft (30.8 m) and a deck 37 ft wide.
Who owns Nb(wb) Polk Blv over I-235?
It is owned by the State Highway Agency.