SB I-35 WB I-80 over 6th Ave
FairPolk County, Iowa · 0.4 Mi. W of Jct. Ia 415 · Structure no. 000000000041580
- Built
- 1958
- 67 years old, rebuilt 1991
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 141 ft
- 3 main spans
- Daily traffic
- 43,750
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-35 WB I-80 over 6th Ave is a prestressed concrete stringer/multi-beam or girder carrying SB I-35 WB I-80 over 6th Ave in Polk County, Iowa. It was built in 1958 and reconstructed in 1991, so it is 67 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 43,750 vehicles a day, roughly 21% of them trucks, projected to reach 43,750 by 2043. The structure is 141 ft (43 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB I-35 WB I-80 over 6th Ave built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1991.
What condition is SB I-35 WB I-80 over 6th Ave 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 May 2023.
How much traffic does SB I-35 WB I-80 over 6th Ave carry?
About 43,750 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is SB I-35 WB I-80 over 6th Ave?
The structure is 141 ft (43 m) long with a longest span of 51 ft (15.5 m) and a deck 67 ft wide.
Who owns SB I-35 WB I-80 over 6th Ave?
It is owned by the State Highway Agency.