Grand Ridge Road over Hog Run
PoorPosted for loadGrundy County, Illinois · 0.1 MI E Lasalle RD · Structure no. 032318000000000
- Built
- 1939
- 86 years old, rebuilt 1982
- Condition
- Poor
- inspected October 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 1,100
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Grand Ridge Road over Hog Run is a prestressed concrete box beam or girders - multiple carrying Grand Ridge Road over Hog Run in Grundy County, Illinois. It was built in 1939 and reconstructed in 1982, so it is 86 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 1,100 vehicles a day, roughly 10% of them trucks, projected to reach 1,380 by 2046. The structure is 40 ft (12.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Grand Ridge Road over Hog Run built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1982.
What condition is Grand Ridge Road over Hog Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.
How much traffic does Grand Ridge Road over Hog Run carry?
About 1,100 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Grand Ridge Road over Hog Run?
The structure is 40 ft (12.1 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.
Who owns Grand Ridge Road over Hog Run?
It is owned by the County Highway Agency.