US 421 over Sand Creek
GoodDecatur County, Indiana · 00.65 S SR 46 · Structure no. 032090
- Built
- 1966
- 59 years old, rebuilt 2018
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 9,810
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 over Sand Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 421 over Sand Creek in Decatur County, Indiana. It was built in 1966 and reconstructed in 2018, so it is 59 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 9,810 vehicles a day, roughly 5% of them trucks, projected to reach 11,210 by 2036. The structure is 112 ft (34.2 m) long and 46 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 | 7 Good | Some minor problems. |
| 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 Sand Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2018.
What condition is US 421 over Sand 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 Sand Creek carry?
About 9,810 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is US 421 over Sand Creek?
The structure is 112 ft (34.2 m) long with a longest span of 45 ft (13.7 m) and a deck 46 ft wide.
Who owns US 421 over Sand Creek?
It is owned by the State Highway Agency.