TR 20 over Johns Creek
GoodWarren County, Illinois · NW-29-T12N R3W · Structure no. 094542700000000
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 20 over Johns Creek is a prestressed concrete box beam or girders - multiple carrying TR 20 over Johns Creek in Warren County, Illinois. It was built in 1983, so it is 42 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 50 vehicles a day, roughly 38% of them trucks, projected to reach 51 by 2046. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 20 over Johns Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is TR 20 over Johns 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 January 2024.
How much traffic does TR 20 over Johns Creek carry?
About 50 vehicles per day (2021 count), of which roughly 38% are trucks.
How long is TR 20 over Johns Creek?
The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.
Who owns TR 20 over Johns Creek?
It is owned by the Town or Township Highway Agency.