County RD 518 over Four Mile Pond Dtc
FairMississippi County, Missouri · S 21 T 24 N R 16 E · Structure no. 30954
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 518 over Four Mile Pond Dtc is a prestressed concrete continuous box beam or girders - multiple carrying County RD 518 over Four Mile Pond Dtc in Mississippi County, Missouri. It was built in 2005, so it is 20 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2044. The structure is 112 ft (34.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 518 over Four Mile Pond Dtc built?
It was built in 2005, making it 20 years old in 2025.
What condition is County RD 518 over Four Mile Pond Dtc 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 December 2023.
How much traffic does County RD 518 over Four Mile Pond Dtc carry?
About 50 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County RD 518 over Four Mile Pond Dtc?
The structure is 112 ft (34.1 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.
Who owns County RD 518 over Four Mile Pond Dtc?
It is owned by the County Highway Agency.