I-90 on Ramp over 108th Street
GoodLake County, Indiana · 00.02 E US 12 · Structure no. 045870
- Built
- 1956
- 69 years old, rebuilt 1989
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 131 ft
- 3 main spans
- Daily traffic
- 4,305
- 2011 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
I-90 on Ramp over 108th Street is a steel stringer/multi-beam or girder carrying I-90 on Ramp over 108th Street in Lake County, Indiana. It was built in 1956 and reconstructed in 1989, so it is 69 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 4,305 vehicles a day, roughly 14% of them trucks, projected to reach 13,801 by 2031. The structure is 131 ft (39.9 m) long and 35 ft wide. If it were closed, the detour would be 5.6 mi (9 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 | 9 Excellent | No problems noted. |
| 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 I-90 on Ramp over 108th Street built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.
What condition is I-90 on Ramp over 108th Street 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 November 2023.
How much traffic does I-90 on Ramp over 108th Street carry?
About 4,305 vehicles per day (2011 count), of which roughly 14% are trucks.
How long is I-90 on Ramp over 108th Street?
The structure is 131 ft (39.9 m) long with a longest span of 39 ft (12 m) and a deck 35 ft wide.
Who owns I-90 on Ramp over 108th Street?
It is owned by the State Toll Authority.