Ill 78 over Spoon River Trib
FairPeoria County, Illinois · 3.5 MI N of Laura · Structure no. 072201100000000
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 2,450
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 78 over Spoon River Trib is a concrete continuous culvert carrying Ill 78 over Spoon River Trib in Peoria County, Illinois. It was built in 1981, so it is 44 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 2,450 vehicles a day, roughly 11% of them trucks, projected to reach 2,626 by 2046. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 16.2 mi (26 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 |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 78 over Spoon River Trib built?
It was built in 1981, making it 44 years old in 2025.
What condition is Ill 78 over Spoon River Trib 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 September 2024.
How much traffic does Ill 78 over Spoon River Trib carry?
About 2,450 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Ill 78 over Spoon River Trib?
The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).
Who owns Ill 78 over Spoon River Trib?
It is owned by the State Highway Agency.