FAI-57 SB over Prairie Creek
PoorIroquois County, Illinois · 6.18 MI S of Ill 116 · Structure no. 038001000000000
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 9,050
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FAI-57 SB over Prairie Creek is a concrete continuous slab carrying FAI-57 SB over Prairie Creek in Iroquois County, Illinois. It was built in 1967, so it is 58 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 9,050 vehicles a day, roughly 34% of them trucks, projected to reach 9,996 by 2035. The structure is 112 ft (34.1 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
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 | 7 Good | Some minor problems. |
| Channel and channel protection | 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 FAI-57 SB over Prairie Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is FAI-57 SB over Prairie Creek 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 January 2025.
How much traffic does FAI-57 SB over Prairie Creek carry?
About 9,050 vehicles per day (2023 count), of which roughly 34% are trucks.
How long is FAI-57 SB over Prairie Creek?
The structure is 112 ft (34.1 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.
Who owns FAI-57 SB over Prairie Creek?
It is owned by the State Highway Agency.