Il 59 over Squaw Creek
FairLake County, Illinois · 1 M E of Wilson RD · Structure no. 049001700000000
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 43 ft
- 1 main span
- Daily traffic
- 13,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 59 over Squaw Creek is a steel stringer/multi-beam or girder carrying Il 59 over Squaw Creek in Lake County, Illinois. It was built in 1973, so it is 52 years old, older than the Illinois average of 45.3 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 13,600 vehicles a day, roughly 9% of them trucks, projected to reach 13,231 by 2046. The structure is 43 ft (13.2 m) long and 45 ft wide. If it were closed, the detour would be 18 mi (29 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 | 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 59 over Squaw Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is Il 59 over Squaw Creek 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 November 2024.
How much traffic does Il 59 over Squaw Creek carry?
About 13,600 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Il 59 over Squaw Creek?
The structure is 43 ft (13.2 m) long with a longest span of 41 ft (12.5 m) and a deck 45 ft wide.
Who owns Il 59 over Squaw Creek?
It is owned by the State Highway Agency.