TR-261 over Bonpas Creek
PoorClosed to trafficRichland County, Illinois · 2.25 MI NW Berryvl · Structure no. 080310700000000
- Built
- 1909
- 116 years old
- Condition
- Poor
- inspected January 2025
- Type
- Truss - Thru
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-261 over Bonpas Creek is a steel truss - thru carrying TR-261 over Bonpas Creek in Richland 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: closed to all traffic.
It carries about 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 50 ft (15.2 m) long and 13 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-261 over Bonpas Creek built?
It was built in 1909, making it 116 years old in 2025.
What condition is TR-261 over Bonpas 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 January 2025.
How much traffic does TR-261 over Bonpas Creek carry?
About 25 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is TR-261 over Bonpas Creek?
The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 13 ft wide.
Who owns TR-261 over Bonpas Creek?
It is owned by the Town or Township Highway Agency.