Is 29 N over Cst N Oak Trfy
FairClay County, Missouri · S 2 T 50 N R 33 W · Structure no. 6440
- Built
- 1957
- 68 years old, rebuilt 1989
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 182 ft
- 4 main spans
- Daily traffic
- 43,317
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 29 N over Cst N Oak Trfy is a steel continuous stringer/multi-beam or girder carrying Is 29 N over Cst N Oak Trfy in Clay County, Missouri. It was built in 1957 and reconstructed in 1989, so it is 68 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 43,317 vehicles a day, roughly 6% of them trucks, projected to reach 77,971 by 2044. The structure is 182 ft (55.5 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Oak Trfy built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1989.
What condition is Is 29 N over Cst N Oak Trfy 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 Oak Trfy carry?
About 43,317 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Is 29 N over Cst N Oak Trfy?
The structure is 182 ft (55.5 m) long with a longest span of 52 ft (15.8 m) and a deck 41 ft wide.
Who owns Is 29 N over Cst N Oak Trfy?
It is owned by the State Highway Agency.