TR 221 over Rocky Branch
PoorPosted for loadShelby County, Illinois · 3.0 MI SE Towerhill · Structure no. 087316100000000
- Built
- 1909
- 116 years old
- Condition
- Poor
- inspected March 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 36 ft
- 1 main span
- Daily traffic
- 35
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 221 over Rocky Branch is a steel girder and floorbeam system carrying TR 221 over Rocky Branch 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 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 35 vehicles a day, roughly 3% of them trucks, projected to reach 51 by 2046. The structure is 36 ft (11 m) long and 15 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 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 221 over Rocky Branch built?
It was built in 1909, making it 116 years old in 2025.
What condition is TR 221 over Rocky Branch 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 2023.
How much traffic does TR 221 over Rocky Branch carry?
About 35 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is TR 221 over Rocky Branch?
The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 15 ft wide.
Who owns TR 221 over Rocky Branch?
It is owned by the Town or Township Highway Agency.