Ill 9 over Big Four Ditch
FairFord County, Illinois · 9.94 MI E of Ill 47 · Structure no. 027006800000000
- Built
- 1975
- 50 years old, rebuilt 2006
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 1,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 9 over Big Four Ditch is a prestressed concrete box beam or girders - multiple carrying Ill 9 over Big Four Ditch in Ford County, Illinois. It was built in 1975 and reconstructed in 2006, so it is 50 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 5 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 1,700 vehicles a day, roughly 11% of them trucks, projected to reach 1,616 by 2046. The structure is 144 ft (43.9 m) long and 47 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 9 over Big Four Ditch built?
It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2006.
What condition is Ill 9 over Big Four 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 March 2023.
How much traffic does Ill 9 over Big Four Ditch carry?
About 1,700 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Ill 9 over Big Four Ditch?
The structure is 144 ft (43.9 m) long with a longest span of 47 ft (14.3 m) and a deck 47 ft wide.
Who owns Ill 9 over Big Four Ditch?
It is owned by the State Highway Agency.