TR 20 over Trib to Mill Creek
GoodPulaski County, Illinois · 0.4 MI S of FAS 941 · Structure no. 077310800000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 225
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 20 over Trib to Mill Creek is a prestressed concrete box beam or girders - multiple carrying TR 20 over Trib to Mill Creek in Pulaski County, Illinois. It was built in 1989, so it is 36 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 225 vehicles a day, roughly 22% of them trucks, projected to reach 152 by 2046. The structure is 32 ft (9.7 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 20 over Trib to Mill Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is TR 20 over Trib to Mill 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 Trib to Mill Creek carry?
About 225 vehicles per day (2023 count), of which roughly 22% are trucks.
How long is TR 20 over Trib to Mill Creek?
The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.
Who owns TR 20 over Trib to Mill Creek?
It is owned by the Town or Township Highway Agency.