US 421 over Sugar Creek
GoodCarroll County, Indiana · 02.67 S SR 18 S JCT · Structure no. 032270
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 2,096
- 2004 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 over Sugar Creek is a concrete continuous slab carrying US 421 over Sugar Creek in Carroll County, Indiana. It was built in 1988, so it is 37 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,096 vehicles a day, roughly 10% of them trucks, projected to reach 2,903 by 2030. The structure is 90 ft (27.4 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 421 over Sugar Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is US 421 over Sugar 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 May 2023.
How much traffic does US 421 over Sugar Creek carry?
About 2,096 vehicles per day (2004 count), of which roughly 10% are trucks.
How long is US 421 over Sugar Creek?
The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.6 m) and a deck 44 ft wide.
Who owns US 421 over Sugar Creek?
It is owned by the State Highway Agency.