TR 34 (TH-S14) over Thenius Creek
PoorMarshall County, Illinois · T13N-R9E-4PM Sec 34 · Structure no. 062413400000000
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected August 2023
- Type
- Channel Beam
- Concrete
- Length
- 79 ft
- 3 main spans
- Daily traffic
- 75
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 34 (TH-S14) over Thenius Creek is a concrete channel beam carrying TR 34 (TH-S14) over Thenius Creek in Marshall County, Illinois. It was built in 1964, so it is 61 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 75 vehicles a day, roughly 27% of them trucks, projected to reach 76 by 2046. The structure is 79 ft (24.1 m) long and 24 ft wide.
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 | 4 Poor | Advanced section loss, deterioration, 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 34 (TH-S14) over Thenius Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is TR 34 (TH-S14) over Thenius 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 August 2023.
How much traffic does TR 34 (TH-S14) over Thenius Creek carry?
About 75 vehicles per day (2024 count), of which roughly 27% are trucks.
How long is TR 34 (TH-S14) over Thenius Creek?
The structure is 79 ft (24.1 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.
Who owns TR 34 (TH-S14) over Thenius Creek?
It is owned by the Town or Township Highway Agency.