Ill 179 over Moon Creek
GoodLaSalle County, Illinois · 0.16 MI S of Ill 17 · Structure no. 050201500000000
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 300
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Ill 179 over Moon Creek is a concrete continuous culvert carrying Ill 179 over Moon Creek in LaSalle County, Illinois. It was built in 1984, so it is 41 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 300 vehicles a day, roughly 20% of them trucks, projected to reach 303 by 2046. The structure is 27 ft (8.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 179 over Moon Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Ill 179 over Moon 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 May 2023.
How much traffic does Ill 179 over Moon Creek carry?
About 300 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Ill 179 over Moon Creek?
The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.
Who owns Ill 179 over Moon Creek?
It is owned by the County Highway Agency.