280th Street over I-35
FairDecatur County, Iowa · 1.3 Mi. N of Jct. US 69 · Structure no. 000000000022910
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 431 ft
- 4 main spans
- Daily traffic
- 103
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
280th Street over I-35 is a steel continuous stringer/multi-beam or girder carrying 280th Street over I-35 in Decatur County, Iowa. It was built in 1970, so it is 55 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 103 vehicles a day, projected to reach 103 by 2044. The structure is 431 ft (131.4 m) long and 33 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 280th Street over I-35 built?
It was built in 1970, making it 55 years old in 2025.
What condition is 280th Street 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 July 2024.
How much traffic does 280th Street over I-35 carry?
About 103 vehicles per day (2022 count).
How long is 280th Street over I-35?
The structure is 431 ft (131.4 m) long with a longest span of 127 ft (38.7 m) and a deck 33 ft wide.
Who owns 280th Street over I-35?
It is owned by the State Highway Agency.