Il 173 over Sequoit Creek
FairLake County, Illinois · 0.5 M W of Il 59 · Structure no. 049200100000000
- Built
- 1931
- 94 years old
- Condition
- Fair
- inspected February 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 13,900
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 173 over Sequoit Creek is a concrete continuous culvert carrying Il 173 over Sequoit Creek in Lake County, Illinois. It was built in 1931, so it is 94 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 13,900 vehicles a day, roughly 5% of them trucks, projected to reach 15,352 by 2046. The structure is 34 ft (10.5 m) long.
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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 173 over Sequoit Creek built?
It was built in 1931, making it 94 years old in 2025.
What condition is Il 173 over Sequoit 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 February 2025.
How much traffic does Il 173 over Sequoit Creek carry?
About 13,900 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Il 173 over Sequoit Creek?
The structure is 34 ft (10.5 m) long with a longest span of 10 ft (3 m).
Who owns Il 173 over Sequoit Creek?
It is owned by the State Highway Agency.