Ill 4 over Trib to Silver Creek
GoodMadison County, Illinois · 0.83 MI S of Ill 143 · Structure no. 060201400000000
- Built
- 1934
- 91 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 5,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 4 over Trib to Silver Creek is a concrete continuous culvert carrying Ill 4 over Trib to Silver Creek in Madison County, Illinois. It was built in 1934, so it is 91 years old, older 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 5,750 vehicles a day, roughly 10% of them trucks, projected to reach 5,350 by 2046. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 13 mi (21 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 Ill 4 over Trib to Silver Creek built?
It was built in 1934, making it 91 years old in 2025.
What condition is Ill 4 over Trib to Silver 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 October 2023.
How much traffic does Ill 4 over Trib to Silver Creek carry?
About 5,750 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Ill 4 over Trib to Silver Creek?
The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).
Who owns Ill 4 over Trib to Silver Creek?
It is owned by the State Highway Agency.