TR 345B over Trib Little Mud Ck
PoorIroquois County, Illinois · 4MI W Cissna Park · Structure no. 038510100000000
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected August 2024
- Type
- Other
- Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 345B over Trib Little Mud Ck is a concrete other carrying TR 345B over Trib Little Mud Ck in Iroquois County, Illinois. It was built in 1920, so it is 105 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.
It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 43 ft (13.1 m) long and 22 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 345B over Trib Little Mud Ck built?
It was built in 1920, making it 105 years old in 2025.
What condition is TR 345B over Trib Little Mud Ck 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 August 2024.
How much traffic does TR 345B over Trib Little Mud Ck carry?
About 50 vehicles per day (2022 count).
How long is TR 345B over Trib Little Mud Ck?
The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 22 ft wide.
Who owns TR 345B over Trib Little Mud Ck?
It is owned by the Town or Township Highway Agency.