TR 320 over Richland Creek
PoorPosted for loadShelby County, Illinois · 3.5 MI SW Strasburg · Structure no. 087320300000000
- Built
- 1909
- 116 years old
- Condition
- Poor
- inspected March 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 64 ft
- 1 main span
- Daily traffic
- 75
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 320 over Richland Creek is a steel girder and floorbeam system carrying TR 320 over Richland Creek in Shelby County, Illinois. It was built in 1909, so it is 116 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 4 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 75 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 64 ft (19.6 m) long and 21 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 TR 320 over Richland Creek built?
It was built in 1909, making it 116 years old in 2025.
What condition is TR 320 over Richland Creek 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 March 2024.
How much traffic does TR 320 over Richland Creek carry?
About 75 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is TR 320 over Richland Creek?
The structure is 64 ft (19.6 m) long with a longest span of 61 ft (18.7 m) and a deck 21 ft wide.
Who owns TR 320 over Richland Creek?
It is owned by the Town or Township Highway Agency.