Ch 1 over Lake Creekoverflow
FairWilliamson County, Illinois · SW Corp Lim J City · Structure no. 100310300000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 124 ft
- 1 main span
- Daily traffic
- 600
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 1 over Lake Creekoverflow is a prestressed concrete box beam or girders - multiple carrying Ch 1 over Lake Creekoverflow in Williamson County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 600 vehicles a day, roughly 16% of them trucks, projected to reach 606 by 2046. The structure is 124 ft (37.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 1 over Lake Creekoverflow built?
It was built in 1979, making it 46 years old in 2025.
What condition is Ch 1 over Lake Creekoverflow in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.
How much traffic does Ch 1 over Lake Creekoverflow carry?
About 600 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is Ch 1 over Lake Creekoverflow?
The structure is 124 ft (37.8 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns Ch 1 over Lake Creekoverflow?
It is owned by the County Highway Agency.