Ill 177 over Ash Creek
GoodSt. Clair County, Illinois · 0.7 MI E Ill 158 · Structure no. 082202900000000
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 35 ft
- 3 main spans
- Daily traffic
- 7,150
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 177 over Ash Creek is a concrete culvert carrying Ill 177 over Ash Creek in St. Clair County, Illinois. It was built in 1991, so it is 34 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,150 vehicles a day, roughly 6% of them trucks, projected to reach 5,808 by 2046. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 177 over Ash Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Ill 177 over Ash Creek 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 July 2024.
How much traffic does Ill 177 over Ash Creek carry?
About 7,150 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Ill 177 over Ash Creek?
The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m).
Who owns Ill 177 over Ash Creek?
It is owned by the State Highway Agency.