TR 121 over Willow Branch
GoodSangamon County, Illinois · 1.8 MI N Bradforton · Structure no. 084351000000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 275
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 121 over Willow Branch is a prestressed concrete box beam or girders - multiple carrying TR 121 over Willow Branch 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 275 vehicles a day, projected to reach 328 by 2046. The structure is 70 ft (21.3 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 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 121 over Willow Branch built?
It was built in 1988, making it 37 years old in 2025.
What condition is TR 121 over Willow Branch 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 2023.
How much traffic does TR 121 over Willow Branch carry?
About 275 vehicles per day (2022 count).
How long is TR 121 over Willow Branch?
The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 28 ft wide.
Who owns TR 121 over Willow Branch?
It is owned by the Town or Township Highway Agency.