TR 20 over Spring Creek
GoodSangamon County, Illinois · 1.3 M W Berlin · Structure no. 084346500000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected March 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 187 ft
- 3 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 20 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying TR 20 over Spring Creek in Sangamon County, Illinois. It was built in 1988, so it is 37 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 51 by 2046. The structure is 187 ft (57 m) long and 27 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 Spring Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is TR 20 over Spring 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 March 2022.
How much traffic does TR 20 over Spring Creek carry?
About 50 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is TR 20 over Spring Creek?
The structure is 187 ft (57 m) long with a longest span of 63 ft (19.2 m) and a deck 27 ft wide.
Who owns TR 20 over Spring Creek?
It is owned by the Town or Township Highway Agency.