Ch 24 over I-55
FairMontgomery County, Illinois · 3M So Il 108 · Structure no. 068004400000000
- Built
- 1972
- 53 years old, rebuilt 2021
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 259 ft
- 2 main spans
- Daily traffic
- 225
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Ch 24 over I-55 is a steel continuous stringer/multi-beam or girder carrying Ch 24 over I-55 in Montgomery County, Illinois. It was built in 1972 and reconstructed in 2021, so it is 53 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 225 vehicles a day, roughly 6% of them trucks, projected to reach 227 by 2046. The structure is 259 ft (78.9 m) long and 32 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 24 over I-55 built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2021.
What condition is Ch 24 over I-55 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 February 2025.
How much traffic does Ch 24 over I-55 carry?
About 225 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Ch 24 over I-55?
The structure is 259 ft (78.9 m) long with a longest span of 111 ft (33.8 m) and a deck 32 ft wide.
Who owns Ch 24 over I-55?
It is owned by the State Highway Agency.