85th Street over I-35
GoodFranklin County, Iowa · 7.3 Mi. N of Jct. SR C70 · Structure no. 000000000602435
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 325 ft
- 4 main spans
- Daily traffic
- 91
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
85th Street over I-35 is a steel continuous stringer/multi-beam or girder carrying 85th Street over I-35 in Franklin County, Iowa. It was built in 1972, so it is 53 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 91 vehicles a day, projected to reach 91 by 2043. The structure is 325 ft (99.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 85th Street over I-35 built?
It was built in 1972, making it 53 years old in 2025.
What condition is 85th Street over I-35 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.
How much traffic does 85th Street over I-35 carry?
About 91 vehicles per day (2022 count).
How long is 85th Street over I-35?
The structure is 325 ft (99.1 m) long with a longest span of 104 ft (31.7 m) and a deck 33 ft wide.
Who owns 85th Street over I-35?
It is owned by the State Highway Agency.