WB I-235 over 17th ST
FairPolk County, Iowa · 1.3 Mi. W of Jct. Ia 28 · Structure no. 000000000042230
- Built
- 1967
- 58 years old, rebuilt 2004
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 56,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-235 over 17th ST is a prestressed concrete stringer/multi-beam or girder carrying WB I-235 over 17th ST in Polk County, Iowa. It was built in 1967 and reconstructed in 2004, so it is 58 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 56,600 vehicles a day, roughly 6% of them trucks, projected to reach 56,600 by 2044. The structure is 145 ft (44.2 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 WB I-235 over 17th ST built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2004.
What condition is WB I-235 over 17th ST in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does WB I-235 over 17th ST carry?
About 56,600 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is WB I-235 over 17th ST?
The structure is 145 ft (44.2 m) long with a longest span of 57 ft (17.4 m) and a deck 67 ft wide.
Who owns WB I-235 over 17th ST?
It is owned by the State Highway Agency.