Il 4 over Panther Creek
FairSangamon County, Illinois · 3.1M N Il 104-AUBURN · Structure no. 084050700000000
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 142 ft
- 3 main spans
- Daily traffic
- 8,950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 4 over Panther Creek is a steel continuous stringer/multi-beam or girder carrying Il 4 over Panther Creek in Sangamon County, Illinois. It was built in 2002, so it is 23 years old, younger 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 8,950 vehicles a day, roughly 5% of them trucks, projected to reach 6,616 by 2046. The structure is 142 ft (43.4 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 4 over Panther Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Il 4 over Panther Creek 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 February 2025.
How much traffic does Il 4 over Panther Creek carry?
About 8,950 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Il 4 over Panther Creek?
The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17 m) and a deck 43 ft wide.
Who owns Il 4 over Panther Creek?
It is owned by the State Highway Agency.