Il 31 over Dutch Creek
GoodMcHenry County, Illinois · 6.2 M S of US 12 · Structure no. 056200500000000
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 23,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 31 over Dutch Creek is a concrete continuous culvert carrying Il 31 over Dutch Creek in McHenry County, Illinois. It was built in 1978, so it is 47 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 23,400 vehicles a day, roughly 4% of them trucks, projected to reach 26,640 by 2046. The structure is 43 ft (13 m) long.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 31 over Dutch Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Il 31 over Dutch Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does Il 31 over Dutch Creek carry?
About 23,400 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Il 31 over Dutch Creek?
The structure is 43 ft (13 m) long with a longest span of 10 ft (2.9 m).
Who owns Il 31 over Dutch Creek?
It is owned by the State Highway Agency.