Ill 18 over Drainage Ditch
GoodPutnam County, Illinois · 1.45 MI E of Ill 26 · Structure no. 078003300000000
- Built
- 1979
- 46 years old, rebuilt 2017
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 2,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 18 over Drainage Ditch is a concrete slab carrying Ill 18 over Drainage Ditch in Putnam County, Illinois. It was built in 1979 and reconstructed in 2017, so it is 46 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,100 vehicles a day, roughly 12% of them trucks, projected to reach 2,600 by 2046. The structure is 28 ft (8.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 18 over Drainage Ditch built?
It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2017.
What condition is Ill 18 over Drainage Ditch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.
How much traffic does Ill 18 over Drainage Ditch carry?
About 2,100 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Ill 18 over Drainage Ditch?
The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.
Who owns Ill 18 over Drainage Ditch?
It is owned by the State Highway Agency.