US 421 over Muck Pocket & Antrim Dit
GoodPulaski County, Indiana · 02.11 N SR 14 · Structure no. 032430
- Built
- 1931
- 94 years old, rebuilt 2018
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 1,177 ft
- 3 main spans
- Daily traffic
- 4,420
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 over Muck Pocket & Antrim Dit is a concrete continuous slab carrying US 421 over Muck Pocket & Antrim Dit in Pulaski County, Indiana. It was built in 1931 and reconstructed in 2018, 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 4,420 vehicles a day, roughly 29% of them trucks, projected to reach 8,616 by 2037. The structure is 1,177 ft (358.7 m) long and 37 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Muck Pocket & Antrim Dit built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2018.
What condition is US 421 over Muck Pocket & Antrim Dit 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 Muck Pocket & Antrim Dit carry?
About 4,420 vehicles per day (2017 count), of which roughly 29% are trucks.
How long is US 421 over Muck Pocket & Antrim Dit?
The structure is 1,177 ft (358.7 m) long with a longest span of 34 ft (10.3 m) and a deck 37 ft wide.
Who owns US 421 over Muck Pocket & Antrim Dit?
It is owned by the State Highway Agency.