TR 78 a over Flat Branch
PoorPosted for loadColes County, Illinois · .1 MI S Humboldt · Structure no. 015309500000000
- Built
- 1929
- 96 years old, rebuilt 1954
- Condition
- Poor
- inspected December 2023
- Type
- Other
- Concrete
- Length
- 86 ft
- 2 main spans
- Daily traffic
- 25
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 78 a over Flat Branch is a concrete other carrying TR 78 a over Flat Branch in Coles County, Illinois. It was built in 1929 and reconstructed in 1954, so it is 96 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. Its operating status is: posted for load restriction.
It carries about 25 vehicles a day, roughly 8% of them trucks, projected to reach 10 by 2046. The structure is 86 ft (26.2 m) long and 22 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 78 a over Flat Branch built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1954.
What condition is TR 78 a over Flat Branch 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 2023.
How much traffic does TR 78 a over Flat Branch carry?
About 25 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is TR 78 a over Flat Branch?
The structure is 86 ft (26.2 m) long with a longest span of 43 ft (13 m) and a deck 22 ft wide.
Who owns TR 78 a over Flat Branch?
It is owned by the Town or Township Highway Agency.