FAS 323 Onarga RD over Spring Creek
GoodIroquois County, Illinois · 5.62 MI W of Ill 49 · Structure no. 038019200000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected August 2022
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 131 ft
- 3 main spans
- Daily traffic
- 450
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FAS 323 Onarga RD over Spring Creek is a steel continuous stringer/multi-beam or girder carrying FAS 323 Onarga RD over Spring Creek in Iroquois County, Illinois. It was built in 1989, so it is 36 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 450 vehicles a day, roughly 7% of them trucks, projected to reach 530 by 2046. The structure is 131 ft (39.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS 323 Onarga RD over Spring Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is FAS 323 Onarga RD over Spring Creek 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 August 2022.
How much traffic does FAS 323 Onarga RD over Spring Creek carry?
About 450 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is FAS 323 Onarga RD over Spring Creek?
The structure is 131 ft (39.8 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.
Who owns FAS 323 Onarga RD over Spring Creek?
It is owned by the County Highway Agency.