TR 49 B over Prairie CR
PoorClosed to trafficIroquois County, Illinois · 1.5 MI E. Lrable · Structure no. 038323000000000
- Built
- 1904
- 121 years old
- Condition
- Poor
- inspected December 2024
- Type
- Truss - Thru
- Steel
- Length
- 51 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 49 B over Prairie CR is a steel truss - thru carrying TR 49 B over Prairie CR in Iroquois County, Illinois. It was built in 1904, so it is 121 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 1 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, projected to reach 25 by 2046. The structure is 51 ft (15.4 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
| Substructure | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
| 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 49 B over Prairie CR built?
It was built in 1904, making it 121 years old in 2025.
What condition is TR 49 B over Prairie CR 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 December 2024.
How much traffic does TR 49 B over Prairie CR carry?
About 25 vehicles per day (2022 count).
How long is TR 49 B over Prairie CR?
The structure is 51 ft (15.4 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.
Who owns TR 49 B over Prairie CR?
It is owned by the Town or Township Highway Agency.