Ill 122 over I-155
PoorTazewell County, Illinois · 2 MI W of Hopedale · Structure no. 090009500000000
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 286 ft
- 2 main spans
- Daily traffic
- 1,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 122 over I-155 is a steel continuous stringer/multi-beam or girder carrying Ill 122 over I-155 in Tazewell County, Illinois. It was built in 1971, so it is 54 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 4 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 1,500 vehicles a day, roughly 20% of them trucks, projected to reach 1,768 by 2046. The structure is 286 ft (87.2 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Ill 122 over I-155 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Ill 122 over I-155 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 April 2024.
How much traffic does Ill 122 over I-155 carry?
About 1,500 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is Ill 122 over I-155?
The structure is 286 ft (87.2 m) long with a longest span of 105 ft (32 m) and a deck 68 ft wide.
Who owns Ill 122 over I-155?
It is owned by the State Highway Agency.