Galena Road over Big Rock Creek
FairKendall County, Illinois · CH9 Ovr Big Rock · Structure no. 047301700000000
- Built
- 1964
- 61 years old, rebuilt 2014
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 102 ft
- 3 main spans
- Daily traffic
- 5,850
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Galena Road over Big Rock Creek is a prestressed concrete box beam or girders - multiple carrying Galena Road over Big Rock Creek in Kendall County, Illinois. It was built in 1964 and reconstructed in 2014, so it is 61 years old, older 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 5,850 vehicles a day, roughly 12% of them trucks, projected to reach 9,044 by 2046. The structure is 102 ft (31 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Galena Road over Big Rock Creek built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2014.
What condition is Galena Road over Big Rock 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 August 2024.
How much traffic does Galena Road over Big Rock Creek carry?
About 5,850 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Galena Road over Big Rock Creek?
The structure is 102 ft (31 m) long with a longest span of 33 ft (10.2 m) and a deck 36 ft wide.
Who owns Galena Road over Big Rock Creek?
It is owned by the County Highway Agency.