Ill 146 over Drainage Ditch
FairUnion County, Illinois · 1.2 MI E Ill 3 · Structure no. 091002600000000
- Built
- 1929
- 96 years old, rebuilt 1953
- Condition
- Fair
- inspected April 2024
- Type
- Tee Beam
- Concrete
- Length
- 54 ft
- 1 main span
- Daily traffic
- 4,050
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 146 over Drainage Ditch is a concrete tee beam carrying Ill 146 over Drainage Ditch in Union County, Illinois. It was built in 1929 and reconstructed in 1953, so it is 96 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 4,050 vehicles a day, roughly 13% of them trucks, projected to reach 4,747 by 2046. The structure is 54 ft (16.5 m) long and 40 ft wide. If it were closed, the detour would be 14.3 mi (23 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 Ill 146 over Drainage Ditch built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1953.
What condition is Ill 146 over Drainage 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 April 2024.
How much traffic does Ill 146 over Drainage Ditch carry?
About 4,050 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Ill 146 over Drainage Ditch?
The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.8 m) and a deck 40 ft wide.
Who owns Ill 146 over Drainage Ditch?
It is owned by the State Highway Agency.