Is 229 N over US 59 Cst Atchison ST
FairPosted for loadBuchanan County, Missouri · S 20 T 57 N R 35 W · Structure no. 2600
- Built
- 1979
- 46 years old, rebuilt 2022
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,683 ft
- 18 main spans
- Daily traffic
- 3,331
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 229 N over US 59 Cst Atchison ST is a steel continuous stringer/multi-beam or girder carrying Is 229 N over US 59 Cst Atchison ST in Buchanan County, Missouri. It was built in 1979 and reconstructed in 2022, so it is 46 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 3,331 vehicles a day, roughly 7% of them trucks, projected to reach 5,663 by 2044. The structure is 1,683 ft (513 m) long and 44 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 229 N over US 59 Cst Atchison ST built?
It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2022.
What condition is Is 229 N over US 59 Cst Atchison ST 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 February 2023.
How much traffic does Is 229 N over US 59 Cst Atchison ST carry?
About 3,331 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is Is 229 N over US 59 Cst Atchison ST?
The structure is 1,683 ft (513 m) long with a longest span of 126 ft (38.4 m) and a deck 44 ft wide.
Who owns Is 229 N over US 59 Cst Atchison ST?
It is owned by the State Highway Agency.