Il 161 over Wolf Branch Creek
GoodSt. Clair County, Illinois · E of Il 159 · Structure no. 082243500000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 19,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 161 over Wolf Branch Creek is a concrete culvert carrying Il 161 over Wolf Branch Creek in St. Clair County, Illinois. It was built in 1989, so it is 36 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 19,600 vehicles a day, roughly 2% of them trucks, projected to reach 20,705 by 2046. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 161 over Wolf Branch Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Il 161 over Wolf Branch 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 April 2023.
How much traffic does Il 161 over Wolf Branch Creek carry?
About 19,600 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Il 161 over Wolf Branch Creek?
The structure is 25 ft (7.5 m) long with a longest span of 11 ft (3.3 m).
Who owns Il 161 over Wolf Branch Creek?
It is owned by the State Highway Agency.