US 40 over Silver Creek
GoodMadison County, Illinois · 1.6 M W Ill 4 · Structure no. 060007700000000
- Built
- 1938
- 87 years old, rebuilt 1981
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 476 ft
- 9 main spans
- Daily traffic
- 7,850
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 over Silver Creek is a steel continuous stringer/multi-beam or girder carrying US 40 over Silver Creek in Madison County, Illinois. It was built in 1938 and reconstructed in 1981, so it is 87 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 7,850 vehicles a day, roughly 7% of them trucks, projected to reach 10,058 by 2046. The structure is 476 ft (145.2 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 over Silver Creek built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1981.
What condition is US 40 over 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 2024.
How much traffic does US 40 over Silver Creek carry?
About 7,850 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 40 over Silver Creek?
The structure is 476 ft (145.2 m) long with a longest span of 62 ft (18.9 m) and a deck 43 ft wide.
Who owns US 40 over Silver Creek?
It is owned by the State Highway Agency.