I 57 SB over Lake Creek Branch
FairWilliamson County, Illinois · 4 MI N of Marion · Structure no. 100001100000000
- Built
- 1961
- 64 years old, rebuilt 2015
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 39 ft
- 1 main span
- Daily traffic
- 19,850
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I 57 SB over Lake Creek Branch is a steel stringer/multi-beam or girder carrying I 57 SB over Lake Creek Branch in Williamson County, Illinois. It was built in 1961 and reconstructed in 2015, so it is 64 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 19,850 vehicles a day, roughly 43% of them trucks, projected to reach 21,412 by 2046. The structure is 39 ft (11.9 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| 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 I 57 SB over Lake Creek Branch built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2015.
What condition is I 57 SB over Lake Creek Branch 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 August 2023.
How much traffic does I 57 SB over Lake Creek Branch carry?
About 19,850 vehicles per day (2024 count), of which roughly 43% are trucks.
How long is I 57 SB over Lake Creek Branch?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 63 ft wide.
Who owns I 57 SB over Lake Creek Branch?
It is owned by the State Highway Agency.