Ill 78 over Carroll Creek
FairCarroll County, Illinois · 1.1 MI N JCT Ill 64 · Structure no. 008004600000000
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 366 ft
- 2 main spans
- Daily traffic
- 1,900
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 78 over Carroll Creek is a steel continuous stringer/multi-beam or girder carrying Ill 78 over Carroll Creek in Carroll 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 1,900 vehicles a day, roughly 9% of them trucks, projected to reach 2,020 by 2046. The structure is 366 ft (111.6 m) long and 46 ft wide.
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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 78 over Carroll Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Ill 78 over Carroll 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 March 2024.
How much traffic does Ill 78 over Carroll Creek carry?
About 1,900 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Ill 78 over Carroll Creek?
The structure is 366 ft (111.6 m) long with a longest span of 190 ft (57.9 m) and a deck 46 ft wide.
Who owns Ill 78 over Carroll Creek?
It is owned by the State Highway Agency.