Il 173 over Fox River
GoodLake County, Illinois · 4.2 M W Il 83 · Structure no. 049017800000000
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected June 2022
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 240 ft
- 3 main spans
- Daily traffic
- 8,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 173 over Fox River is a steel continuous stringer/multi-beam or girder carrying Il 173 over Fox River in Lake County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 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 8,500 vehicles a day, roughly 15% of them trucks, projected to reach 9,494 by 2046. The structure is 240 ft (73.2 m) long and 43 ft wide.
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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 173 over Fox River built?
It was built in 1993, making it 32 years old in 2025.
What condition is Il 173 over Fox River 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 June 2022.
How much traffic does Il 173 over Fox River carry?
About 8,500 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is Il 173 over Fox River?
The structure is 240 ft (73.2 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.
Who owns Il 173 over Fox River?
It is owned by the State Highway Agency.