County RD 430 over Mound CR
PoorPosted for loadLivingston County, Missouri · S 30 T 56 N R 23 W · Structure no. 23833
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 55 ft
- 2 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 430 over Mound CR is a steel stringer/multi-beam or girder carrying County RD 430 over Mound CR in Livingston County, Missouri. It was built in 1960, so it is 65 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 3 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 55 by 2044. The structure is 55 ft (16.8 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 430 over Mound CR built?
It was built in 1960, making it 65 years old in 2025.
What condition is County RD 430 over Mound 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 January 2025.
How much traffic does County RD 430 over Mound CR carry?
About 50 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County RD 430 over Mound CR?
The structure is 55 ft (16.8 m) long with a longest span of 29 ft (8.8 m) and a deck 17 ft wide.
Who owns County RD 430 over Mound CR?
It is owned by the County Highway Agency.