Ill 3 & Ill 146 over Drainage Ditch
FairUnion County, Illinois · 2.3 MI S of Ill 146 · Structure no. 091007400000000
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 75 ft
- 1 main span
- Daily traffic
- 4,150
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 3 & Ill 146 over Drainage Ditch is a steel stringer/multi-beam or girder carrying Ill 3 & Ill 146 over Drainage Ditch in Union County, Illinois. It was built in 2005, so it is 20 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 4,150 vehicles a day, roughly 14% of them trucks, projected to reach 4,899 by 2046. The structure is 75 ft (22.9 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 3 & Ill 146 over Drainage Ditch built?
It was built in 2005, making it 20 years old in 2025.
What condition is Ill 3 & 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 July 2023.
How much traffic does Ill 3 & Ill 146 over Drainage Ditch carry?
About 4,150 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is Ill 3 & Ill 146 over Drainage Ditch?
The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.1 m) and a deck 43 ft wide.
Who owns Ill 3 & Ill 146 over Drainage Ditch?
It is owned by the State Highway Agency.