I-57 NB over Big Creek
FairUnion County, Illinois · 2 MI N Dongola · Structure no. 091007700000000
- Built
- 2021
- 4 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 207 ft
- 3 main spans
- Daily traffic
- 5,950
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-57 NB over Big Creek is a steel continuous stringer/multi-beam or girder carrying I-57 NB over Big Creek in Union County, Illinois. It was built in 2021, so it is 4 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 5,950 vehicles a day, roughly 55% of them trucks, projected to reach 5,858 by 2046. The structure is 207 ft (63.2 m) long and 45 ft wide.
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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-57 NB over Big Creek built?
It was built in 2021, making it 4 years old in 2025.
What condition is I-57 NB over Big 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 November 2024.
How much traffic does I-57 NB over Big Creek carry?
About 5,950 vehicles per day (2024 count), of which roughly 55% are trucks.
How long is I-57 NB over Big Creek?
The structure is 207 ft (63.2 m) long with a longest span of 92 ft (27.9 m) and a deck 45 ft wide.
Who owns I-57 NB over Big Creek?
It is owned by the State Highway Agency.