Il 176 over S Br Kishwaukee Riv
GoodMcHenry County, Illinois · 1.1 M E Il 23 · Structure no. 056007100000000
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 410 ft
- 4 main spans
- Daily traffic
- 5,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 176 over S Br Kishwaukee Riv is a steel continuous stringer/multi-beam or girder carrying Il 176 over S Br Kishwaukee Riv in McHenry County, Illinois. It was built in 2008, so it is 17 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 5,700 vehicles a day, roughly 10% of them trucks, projected to reach 7,140 by 2046. The structure is 410 ft (125.1 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 Il 176 over S Br Kishwaukee Riv built?
It was built in 2008, making it 17 years old in 2025.
What condition is Il 176 over S Br Kishwaukee Riv 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 October 2023.
How much traffic does Il 176 over S Br Kishwaukee Riv carry?
About 5,700 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Il 176 over S Br Kishwaukee Riv?
The structure is 410 ft (125.1 m) long with a longest span of 101 ft (30.8 m) and a deck 43 ft wide.
Who owns Il 176 over S Br Kishwaukee Riv?
It is owned by the State Highway Agency.