TR 121 over Lake Fork
GoodPiatt County, Illinois · 2.3 MI SE Monticello · Structure no. 074316700000000
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected November 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 66 ft
- 3 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 121 over Lake Fork is a prestressed concrete box beam or girders - multiple carrying TR 121 over Lake Fork in Piatt County, Illinois. It was built in 1978, so it is 47 years old, older 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, projected to reach 51 by 2046. The structure is 66 ft (20.1 m) long and 26 ft wide.
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 Lake Fork built?
It was built in 1978, making it 47 years old in 2025.
What condition is TR 121 over Lake Fork 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 November 2021.
How much traffic does TR 121 over Lake Fork carry?
About 50 vehicles per day (2020 count).
How long is TR 121 over Lake Fork?
The structure is 66 ft (20.1 m) long with a longest span of 21 ft (6.4 m) and a deck 26 ft wide.
Who owns TR 121 over Lake Fork?
It is owned by the Town or Township Highway Agency.