SB I-35 WB I-80 over Ia 28
FairPolk County, Iowa · At the Jct. Ia 28 · Structure no. 000000000041451
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 266 ft
- 2 main spans
- Daily traffic
- 39,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-35 WB I-80 over Ia 28 is a steel continuous stringer/multi-beam or girder carrying SB I-35 WB I-80 over Ia 28 in Polk County, Iowa. It was built in 1999, so it is 26 years old, younger 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 39,100 vehicles a day, roughly 24% of them trucks, projected to reach 39,100 by 2042. The structure is 266 ft (81.1 m) long and 63 ft wide.
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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB I-35 WB I-80 over Ia 28 built?
It was built in 1999, making it 26 years old in 2025.
What condition is SB I-35 WB I-80 over Ia 28 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 Ia 28 carry?
About 39,100 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is SB I-35 WB I-80 over Ia 28?
The structure is 266 ft (81.1 m) long with a longest span of 131 ft (39.9 m) and a deck 63 ft wide.
Who owns SB I-35 WB I-80 over Ia 28?
It is owned by the State Highway Agency.