Ill 4 over S2 Trib L Silver Crk
GoodSt. Clair County, Illinois · 1.4 MI S of Lebanon · Structure no. 082202800000000
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 6,050
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 4 over S2 Trib L Silver Crk is a concrete culvert carrying Ill 4 over S2 Trib L Silver Crk in St. Clair County, Illinois. It was built in 1990, so it is 35 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 6,050 vehicles a day, roughly 19% of them trucks, projected to reach 6,060 by 2046. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 4 over S2 Trib L Silver Crk built?
It was built in 1990, making it 35 years old in 2025.
What condition is Ill 4 over S2 Trib L Silver Crk 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 October 2023.
How much traffic does Ill 4 over S2 Trib L Silver Crk carry?
About 6,050 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is Ill 4 over S2 Trib L Silver Crk?
The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m).
Who owns Ill 4 over S2 Trib L Silver Crk?
It is owned by the State Highway Agency.