County RD 21 over Muddy Fk
GoodDade County, Missouri · S 7 T 30 N R 28 W · Structure no. 22714
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 21 over Muddy Fk is a prestressed concrete stringer/multi-beam or girder carrying County RD 21 over Muddy Fk in Dade County, Missouri. It was built in 2001, so it is 24 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 58 by 2044. The structure is 170 ft (51.8 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 21 over Muddy Fk built?
It was built in 2001, making it 24 years old in 2025.
What condition is County RD 21 over Muddy Fk in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does County RD 21 over Muddy Fk carry?
About 50 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County RD 21 over Muddy Fk?
The structure is 170 ft (51.8 m) long with a longest span of 60 ft (18.3 m) and a deck 25 ft wide.
Who owns County RD 21 over Muddy Fk?
It is owned by the County Highway Agency.