Is 29 N over Cst N Davidson RD
FairClay County, Missouri · S 1 T 50 N R 33 W · Structure no. 6439
- Built
- 1955
- 70 years old, rebuilt 1979
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 137 ft
- 3 main spans
- Daily traffic
- 28,309
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 29 N over Cst N Davidson RD is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 29 N over Cst N Davidson RD in Clay County, Missouri. It was built in 1955 and reconstructed in 1979, so it is 70 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 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 28,309 vehicles a day, roughly 18% of them trucks, projected to reach 50,956 by 2044. The structure is 137 ft (41.8 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 29 N over Cst N Davidson RD built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1979.
What condition is Is 29 N over Cst N Davidson RD 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 September 2024.
How much traffic does Is 29 N over Cst N Davidson RD carry?
About 28,309 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Is 29 N over Cst N Davidson RD?
The structure is 137 ft (41.8 m) long with a longest span of 63 ft (19.1 m) and a deck 51 ft wide.
Who owns Is 29 N over Cst N Davidson RD?
It is owned by the State Highway Agency.