TR 343 over S Frk Sangamon River
FairChristian County, Illinois · 3.8 MI NW of Ohlman · Structure no. 011335500000000
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 25
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 343 over S Frk Sangamon River is a prestressed concrete box beam or girders - multiple carrying TR 343 over S Frk Sangamon River in Christian County, Illinois. It was built in 1992, so it is 33 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 25 vehicles a day, projected to reach 25 by 2046. The structure is 77 ft (23.6 m) long and 24 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 343 over S Frk Sangamon River built?
It was built in 1992, making it 33 years old in 2025.
What condition is TR 343 over S Frk Sangamon River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.
How much traffic does TR 343 over S Frk Sangamon River carry?
About 25 vehicles per day (2021 count).
How long is TR 343 over S Frk Sangamon River?
The structure is 77 ft (23.6 m) long with a longest span of 75 ft (22.8 m) and a deck 24 ft wide.
Who owns TR 343 over S Frk Sangamon River?
It is owned by the Town or Township Highway Agency.