FAS 321 (ch 4) over I-57
PoorIroquois County, Illinois · Clifton Inter · Structure no. 038013500000000
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 262 ft
- 4 main spans
- Daily traffic
- 825
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
FAS 321 (ch 4) over I-57 is a steel continuous stringer/multi-beam or girder carrying FAS 321 (ch 4) over I-57 in Iroquois County, Illinois. It was built in 1965, so it is 60 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 825 vehicles a day, roughly 7% of them trucks, projected to reach 909 by 2046. The structure is 262 ft (79.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 FAS 321 (ch 4) over I-57 built?
It was built in 1965, making it 60 years old in 2025.
What condition is FAS 321 (ch 4) over I-57 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 February 2024.
How much traffic does FAS 321 (ch 4) over I-57 carry?
About 825 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is FAS 321 (ch 4) over I-57?
The structure is 262 ft (79.9 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.
Who owns FAS 321 (ch 4) over I-57?
It is owned by the State Highway Agency.