TR 31 over Salt Fork
FairEdgar County, Illinois · 2.5 MI N Scottland · Structure no. 023490100000000
- Built
- 1900
- 125 years old, rebuilt 1973
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 50
- 2019 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 31 over Salt Fork is a prestressed concrete box beam or girders - multiple carrying TR 31 over Salt Fork in Edgar County, Illinois. It was built in 1900 and reconstructed in 1973, so it is 125 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, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 31 over Salt Fork built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1973.
What condition is TR 31 over Salt Fork 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 September 2024.
How much traffic does TR 31 over Salt Fork carry?
About 50 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is TR 31 over Salt Fork?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.7 m) and a deck 26 ft wide.
Who owns TR 31 over Salt Fork?
It is owned by the Town or Township Highway Agency.