Ch 18 over S Br Mill CR
GoodRock Island County, Illinois · 7.0 MI S of Milan · Structure no. 081501900000000
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected November 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 1,200
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 18 over S Br Mill CR is a concrete continuous culvert carrying Ch 18 over S Br Mill CR in Rock Island County, Illinois. It was built in 1986, so it is 39 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 1,200 vehicles a day, roughly 10% of them trucks, projected to reach 1,212 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 11.2 mi (18 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 S Br Mill CR built?
It was built in 1986, making it 39 years old in 2025.
What condition is Ch 18 over S Br Mill CR 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 November 2022.
How much traffic does Ch 18 over S Br Mill CR carry?
About 1,200 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Ch 18 over S Br Mill CR?
The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m).
Who owns Ch 18 over S Br Mill CR?
It is owned by the County Highway Agency.