I 57 SB over M. Fork Big Muddy River
GoodFranklin County, Illinois · 1.5 MI N W Frankfort · Structure no. 028008800000000
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 358 ft
- 3 main spans
- Daily traffic
- 18,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 57 SB over M. Fork Big Muddy River is a steel continuous stringer/multi-beam or girder carrying I 57 SB over M. Fork Big Muddy River in Franklin County, Illinois. It was built in 2024, so it is 1 years old, younger 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 18,600 vehicles a day, roughly 39% of them trucks, projected to reach 20,200 by 2046. The structure is 358 ft (109 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | 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 M. Fork Big Muddy River built?
It was built in 2024, making it 1 years old in 2025.
What condition is I 57 SB over M. Fork Big Muddy River 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 December 2024.
How much traffic does I 57 SB over M. Fork Big Muddy River carry?
About 18,600 vehicles per day (2023 count), of which roughly 39% are trucks.
How long is I 57 SB over M. Fork Big Muddy River?
The structure is 358 ft (109 m) long with a longest span of 134 ft (40.8 m) and a deck 64 ft wide.
Who owns I 57 SB over M. Fork Big Muddy River?
It is owned by the State Highway Agency.