I-465 WB over Zionsville Road
FairBoone County, Indiana · 01.71 W US 421 · Structure no. 050610
- Built
- 1967
- 58 years old, rebuilt 2021
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 57,399
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I-465 WB over Zionsville Road is a steel continuous stringer/multi-beam or girder carrying I-465 WB over Zionsville Road in Boone County, Indiana. It was built in 1967 and reconstructed in 2021, so it is 58 years old, older than the Indiana average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 57,399 vehicles a day, roughly 10% of them trucks, projected to reach 89,207 by 2032. The structure is 145 ft (44.1 m) long and 82 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-465 WB over Zionsville Road built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2021.
What condition is I-465 WB over Zionsville Road in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does I-465 WB over Zionsville Road carry?
About 57,399 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is I-465 WB over Zionsville Road?
The structure is 145 ft (44.1 m) long with a longest span of 66 ft (20.1 m) and a deck 82 ft wide.
Who owns I-465 WB over Zionsville Road?
It is owned by the State Highway Agency.