County RD 524 over Hickory CR
PoorAudrain County, Missouri · S 2 T 51 N R 6 W · Structure no. 24596
- Built
- 1970
- 55 years old, rebuilt 2003
- Condition
- Poor
- inspected May 2023
- Type
- Truss - Thru
- Steel
- Length
- 60 ft
- 1 main span
- Daily traffic
- 100
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 524 over Hickory CR is a steel truss - thru carrying County RD 524 over Hickory CR in Audrain County, Missouri. It was built in 1970 and reconstructed in 2003, so it is 55 years old, older than the Missouri average of 45.1 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2043. The structure is 60 ft (18.3 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 County RD 524 over Hickory CR built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2003.
What condition is County RD 524 over Hickory CR 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 May 2023.
How much traffic does County RD 524 over Hickory CR carry?
About 100 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD 524 over Hickory CR?
The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 21 ft wide.
Who owns County RD 524 over Hickory CR?
It is owned by the County Highway Agency.