I- 55 over Joliet RD
PoorWill County, Illinois · 2 M E of Il 53 · Structure no. 099002800000000
- Built
- 1955
- 70 years old, rebuilt 2021
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 211 ft
- 3 main spans
- Daily traffic
- 73,200
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I- 55 over Joliet RD is a steel continuous stringer/multi-beam or girder carrying I- 55 over Joliet RD in Will County, Illinois. It was built in 1955 and reconstructed in 2021, so it is 70 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 73,200 vehicles a day, roughly 20% of them trucks, projected to reach 95,328 by 2046. The structure is 211 ft (64.2 m) long and 119 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I- 55 over Joliet RD built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2021.
What condition is I- 55 over Joliet RD in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does I- 55 over Joliet RD carry?
About 73,200 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is I- 55 over Joliet RD?
The structure is 211 ft (64.2 m) long with a longest span of 78 ft (23.8 m) and a deck 119 ft wide.
Who owns I- 55 over Joliet RD?
It is owned by the State Highway Agency.