Ill 78 over Yellow Creek
FairJo Daviess County, Illinois · 1.6 Mi. N. of US 20 · Structure no. 043200200000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 3 main spans
- Daily traffic
- 1,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 78 over Yellow Creek is a concrete culvert carrying Ill 78 over Yellow Creek in Jo Daviess County, Illinois. It was built in 1988, so it is 37 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 1,400 vehicles a day, roughly 25% of them trucks, projected to reach 1,414 by 2046. The structure is 30 ft (9.1 m) long and 57 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 7 Good | Some minor problems. |
| 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 Yellow Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Ill 78 over Yellow 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 November 2023.
How much traffic does Ill 78 over Yellow Creek carry?
About 1,400 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is Ill 78 over Yellow Creek?
The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 57 ft wide.
Who owns Ill 78 over Yellow Creek?
It is owned by the State Highway Agency.