County RD 418 over Branch of Rattlesn
FairPosted for loadLivingston County, Missouri · S 2 T 56 N R 25 W · Structure no. 21930
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected January 2025
- Type
- Girder and Floorbeam System
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 418 over Branch of Rattlesn is a steel girder and floorbeam system carrying County RD 418 over Branch of Rattlesn in Livingston County, Missouri. It was built in 1966, so it is 59 years old, older than the Missouri average of 45.1 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. Its operating status is: posted for load restriction.
It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 40 ft (12.2 m) long and 14 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 418 over Branch of Rattlesn built?
It was built in 1966, making it 59 years old in 2025.
What condition is County RD 418 over Branch of Rattlesn 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 January 2025.
How much traffic does County RD 418 over Branch of Rattlesn carry?
About 25 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County RD 418 over Branch of Rattlesn?
The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 14 ft wide.
Who owns County RD 418 over Branch of Rattlesn?
It is owned by the County Highway Agency.