I 57 NB & US 51 NB over FAS 926-BIG Creek
PoorUnion County, Illinois · 0.2 MI E Dongola · Structure no. 091000400000000
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 339 ft
- 6 main spans
- Daily traffic
- 6,700
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I 57 NB & US 51 NB over FAS 926-BIG Creek is a steel continuous stringer/multi-beam or girder carrying I 57 NB & US 51 NB over FAS 926-BIG Creek in Union County, Illinois. It was built in 1959, so it is 66 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 6,700 vehicles a day, roughly 50% of them trucks, projected to reach 6,616 by 2046. The structure is 339 ft (103.3 m) long and 37 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 I 57 NB & US 51 NB over FAS 926-BIG Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is I 57 NB & US 51 NB over FAS 926-BIG 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 2024.
How much traffic does I 57 NB & US 51 NB over FAS 926-BIG Creek carry?
About 6,700 vehicles per day (2024 count), of which roughly 50% are trucks.
How long is I 57 NB & US 51 NB over FAS 926-BIG Creek?
The structure is 339 ft (103.3 m) long with a longest span of 57 ft (17.4 m) and a deck 37 ft wide.
Who owns I 57 NB & US 51 NB over FAS 926-BIG Creek?
It is owned by the State Highway Agency.