Big Mound Road over Kilbuck Creek
PoorOgle County, Illinois · 2.5 M NW Lindenwood · Structure no. 071324000000000
- Built
- 1981
- 44 years old
- Condition
- Poor
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 131 ft
- 3 main spans
- Daily traffic
- 500
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Big Mound Road over Kilbuck Creek is a prestressed concrete box beam or girders - multiple carrying Big Mound Road over Kilbuck Creek in Ogle County, Illinois. It was built in 1981, so it is 44 years old, younger 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 3 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 500 vehicles a day, roughly 4% of them trucks, projected to reach 260 by 2046. The structure is 131 ft (39.9 m) long and 24 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 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Big Mound Road over Kilbuck Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is Big Mound Road over Kilbuck 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 July 2023.
How much traffic does Big Mound Road over Kilbuck Creek carry?
About 500 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Big Mound Road over Kilbuck Creek?
The structure is 131 ft (39.9 m) long with a longest span of 43 ft (13.1 m) and a deck 24 ft wide.
Who owns Big Mound Road over Kilbuck Creek?
It is owned by the Town or Township Highway Agency.