Ill 16 & 100 over Auten Ditch
FairJersey County, Illinois · 1.6 MI SE Calhoun CO · Structure no. 042000300000000
- Built
- 1965
- 60 years old, rebuilt 1996
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 2,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 16 & 100 over Auten Ditch is a prestressed concrete box beam or girders - multiple carrying Ill 16 & 100 over Auten Ditch in Jersey County, Illinois. It was built in 1965 and reconstructed in 1996, so it is 60 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 2,250 vehicles a day, roughly 12% of them trucks, projected to reach 2,071 by 2046. The structure is 102 ft (31.1 m) long and 36 ft wide. If it were closed, the detour would be 36 mi (58 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 16 & 100 over Auten Ditch built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1996.
What condition is Ill 16 & 100 over Auten 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 June 2024.
How much traffic does Ill 16 & 100 over Auten Ditch carry?
About 2,250 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Ill 16 & 100 over Auten Ditch?
The structure is 102 ft (31.1 m) long with a longest span of 36 ft (11 m) and a deck 36 ft wide.
Who owns Ill 16 & 100 over Auten Ditch?
It is owned by the State Highway Agency.