Green Road over N Br Kishwaukee Riv
FairMcHenry County, Illinois · 1.0 MI NW of Alden R · Structure no. 056311700000000
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 100
- 2017 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Green Road over N Br Kishwaukee Riv is a prestressed concrete box beam or girders - multiple carrying Green Road over N Br Kishwaukee Riv in McHenry County, Illinois. It was built in 1975, so it is 50 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 100 vehicles a day, roughly 13% of them trucks, projected to reach 120 by 2046. The structure is 52 ft (15.8 m) long and 27 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Green Road over N Br Kishwaukee Riv built?
It was built in 1975, making it 50 years old in 2025.
What condition is Green Road over N Br Kishwaukee Riv 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 September 2024.
How much traffic does Green Road over N Br Kishwaukee Riv carry?
About 100 vehicles per day (2017 count), of which roughly 13% are trucks.
How long is Green Road over N Br Kishwaukee Riv?
The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.
Who owns Green Road over N Br Kishwaukee Riv?
It is owned by the Town or Township Highway Agency.