I-64 over Unknown Ditch
GoodPerry County, Indiana · 02.07 W SR 145 · Structure no. 033925
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Steel
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 6,993
- 2004 count
- Owner
- State
- State Highway Agency
About this bridge
I-64 over Unknown Ditch is a steel culvert carrying I-64 over Unknown Ditch in Perry County, Indiana. It was built in 1967, 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 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 6,993 vehicles a day, roughly 30% of them trucks, projected to reach 12,664 by 2034. The structure is 27 ft (8.2 m) long. 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-64 over Unknown Ditch built?
It was built in 1967, making it 58 years old in 2025.
What condition is I-64 over Unknown Ditch 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 April 2024.
How much traffic does I-64 over Unknown Ditch carry?
About 6,993 vehicles per day (2004 count), of which roughly 30% are trucks.
How long is I-64 over Unknown Ditch?
The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.5 m).
Who owns I-64 over Unknown Ditch?
It is owned by the State Highway Agency.