TR 131 a over Prairie Ck
FairMason County, Illinois · 4.5 MI E Mason Cty · Structure no. 063430700000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 186 ft
- 3 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 131 a over Prairie Ck is a prestressed concrete box beam or girders - multiple carrying TR 131 a over Prairie Ck in Mason County, Illinois. It was built in 1979, so it is 46 years old, older 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, projected to reach 51 by 2046. The structure is 186 ft (56.7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 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 a over Prairie Ck built?
It was built in 1979, making it 46 years old in 2025.
What condition is TR 131 a over Prairie Ck 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 2025.
How much traffic does TR 131 a over Prairie Ck carry?
About 50 vehicles per day (2024 count).
How long is TR 131 a over Prairie Ck?
The structure is 186 ft (56.7 m) long with a longest span of 61 ft (18.6 m) and a deck 25 ft wide.
Who owns TR 131 a over Prairie Ck?
It is owned by the Town or Township Highway Agency.