Is 229 N over Cst Ajax RD Whitehead C
FairBuchanan County, Missouri · S 34 T 57 N R 35 W · Structure no. 1018
- Built
- 1965
- 60 years old, rebuilt 1984
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 347 ft
- 5 main spans
- Daily traffic
- 11,117
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 229 N over Cst Ajax RD Whitehead C is a steel continuous stringer/multi-beam or girder carrying Is 229 N over Cst Ajax RD Whitehead C in Buchanan County, Missouri. It was built in 1965 and reconstructed in 1984, so it is 60 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 11,117 vehicles a day, roughly 19% of them trucks, projected to reach 18,899 by 2044. The structure is 347 ft (105.8 m) long and 34 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. |
| 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 Is 229 N over Cst Ajax RD Whitehead C built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1984.
What condition is Is 229 N over Cst Ajax RD Whitehead C 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 August 2024.
How much traffic does Is 229 N over Cst Ajax RD Whitehead C carry?
About 11,117 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is Is 229 N over Cst Ajax RD Whitehead C?
The structure is 347 ft (105.8 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.
Who owns Is 229 N over Cst Ajax RD Whitehead C?
It is owned by the State Highway Agency.