Ch 18 over Trib to Spoon Riv
GoodKnox County, Illinois · N.CTR-25-T11NR4E · Structure no. 048503200000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected February 2024
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 325
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 18 over Trib to Spoon Riv is a concrete culvert carrying Ch 18 over Trib to Spoon Riv in Knox County, Illinois. It was built in 2007, so it is 18 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 325 vehicles a day, roughly 25% of them trucks, projected to reach 404 by 2046. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 18 over Trib to Spoon Riv built?
It was built in 2007, making it 18 years old in 2025.
What condition is Ch 18 over Trib to Spoon Riv 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 February 2024.
How much traffic does Ch 18 over Trib to Spoon Riv carry?
About 325 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is Ch 18 over Trib to Spoon Riv?
The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).
Who owns Ch 18 over Trib to Spoon Riv?
It is owned by the County Highway Agency.