TR 573 over South Fork Saline R.
PoorWilliamson County, Illinois · 4 MI SE of Marion · Structure no. 100309400000000
- Built
- 1977
- 48 years old, rebuilt 2023
- Condition
- Poor
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 116 ft
- 3 main spans
- Daily traffic
- 175
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 573 over South Fork Saline R. is a prestressed concrete box beam or girders - multiple carrying TR 573 over South Fork Saline R. in Williamson County, Illinois. It was built in 1977 and reconstructed in 2023, 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 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.
It carries about 175 vehicles a day, roughly 30% of them trucks, projected to reach 177 by 2046. The structure is 116 ft (35.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 573 over South Fork Saline R. built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2023.
What condition is TR 573 over South Fork Saline R. 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 February 2023.
How much traffic does TR 573 over South Fork Saline R. carry?
About 175 vehicles per day (2021 count), of which roughly 30% are trucks.
How long is TR 573 over South Fork Saline R.?
The structure is 116 ft (35.4 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.
Who owns TR 573 over South Fork Saline R.?
It is owned by the Town or Township Highway Agency.