Ill 78 & 97 over Lacy Ditch
FairFulton County, Illinois · .1 N. JCT136&ILL 78 · Structure no. 029002100000000
- Built
- 1936
- 89 years old, rebuilt 1989
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 167 ft
- 3 main spans
- Daily traffic
- 3,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 78 & 97 over Lacy Ditch is a steel continuous stringer/multi-beam or girder carrying Ill 78 & 97 over Lacy Ditch in Fulton County, Illinois. It was built in 1936 and reconstructed in 1989, so it is 89 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 3,000 vehicles a day, roughly 14% of them trucks, projected to reach 3,333 by 2046. The structure is 167 ft (50.9 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 78 & 97 over Lacy Ditch built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1989.
What condition is Ill 78 & 97 over Lacy 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 October 2023.
How much traffic does Ill 78 & 97 over Lacy Ditch carry?
About 3,000 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is Ill 78 & 97 over Lacy Ditch?
The structure is 167 ft (50.9 m) long with a longest span of 64 ft (19.6 m) and a deck 35 ft wide.
Who owns Ill 78 & 97 over Lacy Ditch?
It is owned by the State Highway Agency.