Il 47 over Nippersink Creek
GoodMcHenry County, Illinois · 6.3 M S State Line · Structure no. 056005300000000
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 4,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 47 over Nippersink Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 47 over Nippersink Creek in McHenry County, Illinois. It was built in 1985, so it is 40 years old, younger 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 4,400 vehicles a day, roughly 12% of them trucks, projected to reach 6,480 by 2046. The structure is 93 ft (28.2 m) long and 43 ft wide.
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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 47 over Nippersink Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Il 47 over Nippersink 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 2024.
How much traffic does Il 47 over Nippersink Creek carry?
About 4,400 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Il 47 over Nippersink Creek?
The structure is 93 ft (28.2 m) long with a longest span of 88 ft (26.8 m) and a deck 43 ft wide.
Who owns Il 47 over Nippersink Creek?
It is owned by the State Highway Agency.