WB I-235 over I-35
FairPolk County, Iowa · At West Junction I-35-80 · Structure no. 000000000041920
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 262 ft
- 4 main spans
- Daily traffic
- 24,250
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB I-235 over I-35 is a prestressed concrete stringer/multi-beam or girder carrying WB I-235 over I-35 in Polk County, Iowa. It was built in 1966, so it is 59 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 5 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 24,250 vehicles a day, roughly 7% of them trucks, projected to reach 24,250 by 2043. The structure is 262 ft (79.9 m) long and 52 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB I-235 over I-35 built?
It was built in 1966, making it 59 years old in 2025.
What condition is WB I-235 over I-35 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 December 2023.
How much traffic does WB I-235 over I-35 carry?
About 24,250 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is WB I-235 over I-35?
The structure is 262 ft (79.9 m) long with a longest span of 84 ft (25.6 m) and a deck 52 ft wide.
Who owns WB I-235 over I-35?
It is owned by the State Highway Agency.