US 421 SB over I-74 Eb/Wb
GoodDecatur County, Indiana · 01.42 N SR 3 · Structure no. 076590
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected January 2024
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 436 ft
- 3 main spans
- Daily traffic
- 2,607
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
US 421 SB over I-74 Eb/Wb is a prestressed concrete continuous tee beam carrying US 421 SB over I-74 Eb/Wb in Decatur County, Indiana. It was built in 2008, so it is 17 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 2,607 vehicles a day, roughly 10% of them trucks, projected to reach 3,360 by 2035. The structure is 436 ft (133 m) long and 65 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 421 SB over I-74 Eb/Wb built?
It was built in 2008, making it 17 years old in 2025.
What condition is US 421 SB over I-74 Eb/Wb 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 SB over I-74 Eb/Wb carry?
About 2,607 vehicles per day (2014 count), of which roughly 10% are trucks.
How long is US 421 SB over I-74 Eb/Wb?
The structure is 436 ft (133 m) long with a longest span of 156 ft (47.6 m) and a deck 65 ft wide.
Who owns US 421 SB over I-74 Eb/Wb?
It is owned by the State Highway Agency.