C 47 over I-35
FairFranklin County, Iowa · At Jct. I-35 & SR C47 · Structure no. 000000000602455
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 325 ft
- 4 main spans
- Daily traffic
- 1,159
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
C 47 over I-35 is a steel continuous stringer/multi-beam or girder carrying C 47 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 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 1,159 vehicles a day, roughly 22% of them trucks, projected to reach 1,159 by 2044. The structure is 325 ft (99.1 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was C 47 over I-35 built?
It was built in 1972, making it 53 years old in 2025.
What condition is C 47 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 June 2024.
How much traffic does C 47 over I-35 carry?
About 1,159 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is C 47 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 35 ft wide.
Who owns C 47 over I-35?
It is owned by the State Highway Agency.