TR 131 over Knights Branch
FairVermilion County, Illinois · 2.5 MI S Potomac · Structure no. 092340500000000
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 108 ft
- 3 main spans
- Daily traffic
- 50
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 131 over Knights Branch is a prestressed concrete box beam or girders - multiple carrying TR 131 over Knights Branch in Vermilion County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 108 ft (32.8 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 131 over Knights Branch built?
It was built in 1991, making it 34 years old in 2025.
What condition is TR 131 over Knights Branch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does TR 131 over Knights Branch carry?
About 50 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is TR 131 over Knights Branch?
The structure is 108 ft (32.8 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.
Who owns TR 131 over Knights Branch?
It is owned by the Town or Township Highway Agency.