US 421 over Gas Creek
GoodDecatur County, Indiana · 00.21 S SR 46 · Structure no. 032100
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 59 ft
- 1 main span
- Daily traffic
- 9,220
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 over Gas Creek is a prestressed concrete stringer/multi-beam or girder carrying US 421 over Gas Creek in Decatur County, Indiana. It was built in 1997, so it is 28 years old, younger 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 9,220 vehicles a day, roughly 5% of them trucks, projected to reach 10,370 by 2035. The structure is 59 ft (17.9 m) long and 50 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 421 over Gas Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is US 421 over Gas 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 January 2024.
How much traffic does US 421 over Gas Creek carry?
About 9,220 vehicles per day (2014 count), of which roughly 5% are trucks.
How long is US 421 over Gas Creek?
The structure is 59 ft (17.9 m) long with a longest span of 57 ft (17.3 m) and a deck 50 ft wide.
Who owns US 421 over Gas Creek?
It is owned by the State Highway Agency.