US 421 over Finley Creek
GoodBoone County, Indiana · 01.14 S SR 32 · Structure no. 032140
- Built
- 1931
- 94 years old, rebuilt 1986
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 7,488
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 over Finley Creek is a concrete culvert carrying US 421 over Finley Creek in Boone County, Indiana. It was built in 1931 and reconstructed in 1986, so it is 94 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 7,488 vehicles a day, roughly 12% of them trucks, projected to reach 11,127 by 2034. The structure is 51 ft (15.5 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 421 over Finley Creek built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1986.
What condition is US 421 over Finley 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 Finley Creek carry?
About 7,488 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is US 421 over Finley Creek?
The structure is 51 ft (15.5 m) long with a longest span of 45 ft (13.7 m) and a deck 47 ft wide.
Who owns US 421 over Finley Creek?
It is owned by the State Highway Agency.