I-55 SB over UPRR
GoodMadison County, Illinois · N of New Douglas RD · Structure no. 060019600000000
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 14,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-55 SB over UPRR is a steel continuous stringer/multi-beam or girder carrying I-55 SB over UPRR in Madison County, Illinois. It was built in 1973, so it is 52 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 14,400 vehicles a day, roughly 28% of them trucks, projected to reach 16,211 by 2046. The structure is 179 ft (54.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-55 SB over UPRR built?
It was built in 1973, making it 52 years old in 2025.
What condition is I-55 SB over UPRR 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 February 2024.
How much traffic does I-55 SB over UPRR carry?
About 14,400 vehicles per day (2023 count), of which roughly 28% are trucks.
How long is I-55 SB over UPRR?
The structure is 179 ft (54.7 m) long with a longest span of 64 ft (19.4 m) and a deck 42 ft wide.
Who owns I-55 SB over UPRR?
It is owned by the State Highway Agency.