I- 55 over Madison ST
FairDuPage County, Illinois · 0.6 M NE of Il 83 · Structure no. 022000300000000
- Built
- 1959
- 66 years old, rebuilt 1996
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 172 ft
- 3 main spans
- Daily traffic
- 150,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I- 55 over Madison ST is a prestressed concrete continuous stringer/multi-beam or girder carrying I- 55 over Madison ST in DuPage County, Illinois. It was built in 1959 and reconstructed in 1996, so it is 66 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 150,000 vehicles a day, roughly 13% of them trucks, projected to reach 143,420 by 2046. The structure is 172 ft (52.4 m) long and 140 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 I- 55 over Madison ST built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1996.
What condition is I- 55 over Madison ST 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 September 2023.
How much traffic does I- 55 over Madison ST carry?
About 150,000 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is I- 55 over Madison ST?
The structure is 172 ft (52.4 m) long with a longest span of 57 ft (17.5 m) and a deck 140 ft wide.
Who owns I- 55 over Madison ST?
It is owned by the State Highway Agency.