TR 234 over Allens Grove Ditch
FairMason County, Illinois · 7 MI West San Jose · Structure no. 063360100000000
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 234 over Allens Grove Ditch is a prestressed concrete box beam or girders - multiple carrying TR 234 over Allens Grove Ditch in Mason County, Illinois. It was built in 1983, so it is 42 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 60% of them trucks, projected to reach 51 by 2046. The structure is 41 ft (12.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 234 over Allens Grove Ditch built?
It was built in 1983, making it 42 years old in 2025.
What condition is TR 234 over Allens Grove Ditch 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 January 2025.
How much traffic does TR 234 over Allens Grove Ditch carry?
About 50 vehicles per day (2024 count), of which roughly 60% are trucks.
How long is TR 234 over Allens Grove Ditch?
The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.
Who owns TR 234 over Allens Grove Ditch?
It is owned by the Town or Township Highway Agency.