County RD 231 over S Fk of North Rvr
GoodMarion County, Missouri · S 14 T 57 N R 8 W · Structure no. 18657
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 65
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 231 over S Fk of North Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying County RD 231 over S Fk of North Rvr in Marion County, Missouri. It was built in 1989, so it is 36 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 65 vehicles a day, roughly 10% of them trucks, projected to reach 81 by 2043. The structure is 192 ft (58.5 m) long and 27 ft wide. If it were closed, the detour would be 13 mi (21 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 231 over S Fk of North Rvr built?
It was built in 1989, making it 36 years old in 2025.
What condition is County RD 231 over S Fk of North Rvr 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 March 2023.
How much traffic does County RD 231 over S Fk of North Rvr carry?
About 65 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD 231 over S Fk of North Rvr?
The structure is 192 ft (58.5 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.
Who owns County RD 231 over S Fk of North Rvr?
It is owned by the County Highway Agency.