TR 603 over Sugar Creek
GoodWilliamson County, Illinois · 1 MI E Creal Springs · Structure no. 100309300000000
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected January 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 75 ft
- 1 main span
- Daily traffic
- 125
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 603 over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying TR 603 over Sugar Creek in Williamson County, Illinois. It was built in 1977, so it is 48 years old, older 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 125 vehicles a day, roughly 16% of them trucks, projected to reach 126 by 2046. The structure is 75 ft (22.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 603 over Sugar Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is TR 603 over Sugar 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 TR 603 over Sugar Creek carry?
About 125 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is TR 603 over Sugar Creek?
The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.3 m) and a deck 24 ft wide.
Who owns TR 603 over Sugar Creek?
It is owned by the Town or Township Highway Agency.