US 421 over Prairie Creek
GoodClinton County, Indiana · 00.06 S SR 39 · Structure no. 032180
- Built
- 1965
- 60 years old, rebuilt 1995
- Condition
- Good
- inspected February 2023
- Type
- Slab
- Concrete Continuous
- Length
- 51 ft
- 3 main spans
- Daily traffic
- 12,516
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 over Prairie Creek is a concrete continuous slab carrying US 421 over Prairie Creek in Clinton County, Indiana. It was built in 1965 and reconstructed in 1995, so it is 60 years old, older than the Indiana average of 46.6 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 12,516 vehicles a day, roughly 7% of them trucks, projected to reach 27,458 by 2032. The structure is 51 ft (15.5 m) long and 66 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 US 421 over Prairie Creek built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1995.
What condition is US 421 over Prairie 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 February 2023.
How much traffic does US 421 over Prairie Creek carry?
About 12,516 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is US 421 over Prairie Creek?
The structure is 51 ft (15.5 m) long with a longest span of 20 ft (6 m) and a deck 66 ft wide.
Who owns US 421 over Prairie Creek?
It is owned by the State Highway Agency.