SB I-35 over Buffalo Creek
GoodFranklin County, Iowa · 0.5 Mi. N of SR C25 · Structure no. 000000000602468
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 8,450
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-35 over Buffalo Creek is a prestressed concrete stringer/multi-beam or girder carrying SB I-35 over Buffalo Creek in Franklin County, Iowa. It was built in 1973, so it is 52 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 8,450 vehicles a day, roughly 31% of them trucks, projected to reach 8,450 by 2044. The structure is 159 ft (48.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB I-35 over Buffalo Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is SB I-35 over Buffalo Creek 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 November 2024.
How much traffic does SB I-35 over Buffalo Creek carry?
About 8,450 vehicles per day (2022 count), of which roughly 31% are trucks.
How long is SB I-35 over Buffalo Creek?
The structure is 159 ft (48.5 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.
Who owns SB I-35 over Buffalo Creek?
It is owned by the State Highway Agency.