TR 186 over Little Swan Creek
GoodWarren County, Illinois · 4 MI West of Avon · Structure no. 094402200000000
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 125
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 186 over Little Swan Creek is a prestressed concrete box beam or girders - multiple carrying TR 186 over Little Swan Creek in Warren County, Illinois. It was built in 2022, so it is 3 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 125 vehicles a day, roughly 13% of them trucks, projected to reach 500 by 2050. The structure is 63 ft (19.1 m) long and 28 ft wide. 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 186 over Little Swan Creek built?
It was built in 2022, making it 3 years old in 2025.
What condition is TR 186 over Little Swan 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 December 2024.
How much traffic does TR 186 over Little Swan Creek carry?
About 125 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is TR 186 over Little Swan Creek?
The structure is 63 ft (19.1 m) long with a longest span of 59 ft (18.1 m) and a deck 28 ft wide.
Who owns TR 186 over Little Swan Creek?
It is owned by the Town or Township Highway Agency.