Il 78 over Prairie Creek
GoodCass County, Illinois · 3.6M S IL125VIRGINIA · Structure no. 009200500000000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected April 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 2,050
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 78 over Prairie Creek is a concrete continuous culvert carrying Il 78 over Prairie Creek in Cass County, Illinois. It was built in 1998, so it is 27 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 2,050 vehicles a day, roughly 10% of them trucks, projected to reach 2,121 by 2046. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 21.7 mi (35 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 78 over Prairie Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is Il 78 over Prairie 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 April 2021.
How much traffic does Il 78 over Prairie Creek carry?
About 2,050 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Il 78 over Prairie Creek?
The structure is 38 ft (11.6 m) long with a longest span of 11 ft (3.5 m).
Who owns Il 78 over Prairie Creek?
It is owned by the State Highway Agency.