S. River Road over Defiance Lake Creek
FairMcHenry County, Illinois · 4.4M S of IL120 · Structure no. 056300000000000
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 27 ft
- 6 main spans
- Daily traffic
- 16,100
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
S. River Road over Defiance Lake Creek is a steel culvert carrying S. River Road over Defiance Lake Creek in McHenry County, Illinois. It was built in 1950, so it is 75 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 16,100 vehicles a day, roughly 20% of them trucks, projected to reach 3,960 by 2046. The structure is 27 ft (8.1 m) long.
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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S. River Road over Defiance Lake Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is S. River Road over Defiance Lake 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 October 2024.
How much traffic does S. River Road over Defiance Lake Creek carry?
About 16,100 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is S. River Road over Defiance Lake Creek?
The structure is 27 ft (8.1 m) long with a longest span of 4 ft (1.2 m).
Who owns S. River Road over Defiance Lake Creek?
It is owned by the County Highway Agency.