Jericho RD over Big Rock Creek
FairKane County, Illinois · 4.0 MI SW Sugargrove · Structure no. 045300900000000
- Built
- 1934
- 91 years old, rebuilt 1981
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 2,200
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Jericho RD over Big Rock Creek is a prestressed concrete box beam or girders - multiple carrying Jericho RD over Big Rock Creek in Kane County, Illinois. It was built in 1934 and reconstructed in 1981, so it is 91 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 5 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 2,200 vehicles a day, roughly 13% of them trucks, projected to reach 2,989 by 2046. The structure is 77 ft (23.6 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Jericho RD over Big Rock Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1981.
What condition is Jericho RD 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 2023.
How much traffic does Jericho RD over Big Rock Creek carry?
About 2,200 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Jericho RD over Big Rock Creek?
The structure is 77 ft (23.6 m) long with a longest span of 73 ft (22.4 m) and a deck 39 ft wide.
Who owns Jericho RD over Big Rock Creek?
It is owned by the County Highway Agency.