TR 343 over Sixmile CR Tributary
PoorPike County, Illinois · 0.75 MI SE Summer Hi · Structure no. 075315200000000
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 36 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 343 over Sixmile CR Tributary is a steel stringer/multi-beam or girder carrying TR 343 over Sixmile CR Tributary in Pike County, Illinois. It was built in 1959, so it is 66 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 2 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 58 by 2046. The structure is 36 ft (11 m) long and 26 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 343 over Sixmile CR Tributary built?
It was built in 1959, making it 66 years old in 2025.
What condition is TR 343 over Sixmile CR Tributary 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 343 over Sixmile CR Tributary carry?
About 50 vehicles per day (2023 count).
How long is TR 343 over Sixmile CR Tributary?
The structure is 36 ft (11 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.
Who owns TR 343 over Sixmile CR Tributary?
It is owned by the Town or Township Highway Agency.