Twp Road 601 over Grassy Creek
GoodWilliamson County, Illinois · 4 MI E Creal Springs · Structure no. 100312800000000
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected January 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 175
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Twp Road 601 over Grassy Creek is a prestressed concrete box beam or girders - multiple carrying Twp Road 601 over Grassy Creek in Williamson County, Illinois. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 175 vehicles a day, roughly 30% of them trucks, projected to reach 177 by 2046. The structure is 62 ft (18.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twp Road 601 over Grassy Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is Twp Road 601 over Grassy 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 January 2023.
How much traffic does Twp Road 601 over Grassy Creek carry?
About 175 vehicles per day (2021 count), of which roughly 30% are trucks.
How long is Twp Road 601 over Grassy Creek?
The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 24 ft wide.
Who owns Twp Road 601 over Grassy Creek?
It is owned by the Town or Township Highway Agency.