Il 83 SB over Il 56
FairDuPage County, Illinois · 0.1 M S Il 38 · Structure no. 022011700000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 220 ft
- 3 main spans
- Daily traffic
- 63,900
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Il 83 SB over Il 56 is a prestressed concrete stringer/multi-beam or girder carrying Il 83 SB over Il 56 in DuPage County, Illinois. It was built in 1972, 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 63,900 vehicles a day, roughly 7% of them trucks, projected to reach 32,270 by 2046. The structure is 220 ft (67.1 m) long and 63 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 83 SB over Il 56 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Il 83 SB over Il 56 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 2024.
How much traffic does Il 83 SB over Il 56 carry?
About 63,900 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is Il 83 SB over Il 56?
The structure is 220 ft (67.1 m) long with a longest span of 112 ft (34.1 m) and a deck 63 ft wide.
Who owns Il 83 SB over Il 56?
It is owned by the State Highway Agency.