Lake of Egypt RD over Lake Egypt Spillway
GoodWilliamson County, Illinois · 6 MI S Marion · Structure no. 100306000000000
- Built
- 1962
- 63 years old, rebuilt 2015
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 102 ft
- 1 main span
- Daily traffic
- 2,800
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Lake of Egypt RD over Lake Egypt Spillway is a steel stringer/multi-beam or girder carrying Lake of Egypt RD over Lake Egypt Spillway in Williamson County, Illinois. It was built in 1962 and reconstructed in 2015, so it is 63 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 2,800 vehicles a day, roughly 14% of them trucks, projected to reach 2,828 by 2046. The structure is 102 ft (31 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lake of Egypt RD over Lake Egypt Spillway built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2015.
What condition is Lake of Egypt RD over Lake Egypt Spillway 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 March 2023.
How much traffic does Lake of Egypt RD over Lake Egypt Spillway carry?
About 2,800 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is Lake of Egypt RD over Lake Egypt Spillway?
The structure is 102 ft (31 m) long with a longest span of 96 ft (29.3 m) and a deck 35 ft wide.
Who owns Lake of Egypt RD over Lake Egypt Spillway?
It is owned by the County Highway Agency.