Ill 1 over Big Beaver Creek
FairIroquois County, Illinois · .76 MI N Papineau RD · Structure no. 038020600000000
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 2,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 1 over Big Beaver Creek is a steel continuous stringer/multi-beam or girder carrying Ill 1 over Big Beaver Creek in Iroquois County, Illinois. It was built in 1998, so it is 27 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,000 vehicles a day, roughly 12% of them trucks, projected to reach 1,919 by 2046. The structure is 130 ft (39.5 m) long and 35 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 1 over Big Beaver Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is Ill 1 over Big Beaver Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does Ill 1 over Big Beaver Creek carry?
About 2,000 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Ill 1 over Big Beaver Creek?
The structure is 130 ft (39.5 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.
Who owns Ill 1 over Big Beaver Creek?
It is owned by the State Highway Agency.