Il 4 over Little Mud Creek
GoodSt. Clair County, Illinois · 0.3 M South Il 15 · Structure no. 082029400000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 142 ft
- 2 main spans
- Daily traffic
- 2,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 4 over Little Mud Creek is a steel continuous stringer/multi-beam or girder carrying Il 4 over Little Mud Creek in St. Clair County, Illinois. It was built in 1994, so it is 31 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,400 vehicles a day, roughly 18% of them trucks, projected to reach 2,828 by 2046. The structure is 142 ft (43.2 m) long and 35 ft wide. If it were closed, the detour would be 39.1 mi (63 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 4 over Little Mud Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is Il 4 over Little Mud 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 2023.
How much traffic does Il 4 over Little Mud Creek carry?
About 2,400 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is Il 4 over Little Mud Creek?
The structure is 142 ft (43.2 m) long with a longest span of 68 ft (20.8 m) and a deck 35 ft wide.
Who owns Il 4 over Little Mud Creek?
It is owned by the State Highway Agency.