I-65 NB over Wirtz Ditch
GoodLake County, Indiana · 04.81 N SR 2 · Structure no. 038410
- Built
- 1964
- 61 years old, rebuilt 2018
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 114 ft
- 3 main spans
- Daily traffic
- 25,990
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
I-65 NB over Wirtz Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying I-65 NB over Wirtz Ditch in Lake County, Indiana. It was built in 1964 and reconstructed in 2018, so it is 61 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 25,990 vehicles a day, roughly 44% of them trucks, projected to reach 31,464 by 2035. The structure is 114 ft (34.6 m) long and 59 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 | 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 I-65 NB over Wirtz Ditch built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2018.
What condition is I-65 NB over Wirtz 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 2023.
How much traffic does I-65 NB over Wirtz Ditch carry?
About 25,990 vehicles per day (2015 count), of which roughly 44% are trucks.
How long is I-65 NB over Wirtz Ditch?
The structure is 114 ft (34.6 m) long with a longest span of 37 ft (11.3 m) and a deck 59 ft wide.
Who owns I-65 NB over Wirtz Ditch?
It is owned by the State Highway Agency.