Is 29 N over Mill CR
FairAtchison County, Missouri · S 2 T 63 N R 41 W · Structure no. 2367
- Built
- 1973
- 52 years old, rebuilt 1994
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 8,439
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 29 N over Mill CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 29 N over Mill CR in Atchison County, Missouri. It was built in 1973 and reconstructed in 1994, so it is 52 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.
It carries about 8,439 vehicles a day, roughly 39% of them trucks, projected to reach 17,722 by 2044. The structure is 144 ft (43.9 m) long and 42 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 29 N over Mill CR built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1994.
What condition is Is 29 N over Mill CR 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 2023.
How much traffic does Is 29 N over Mill CR carry?
About 8,439 vehicles per day (2024 count), of which roughly 39% are trucks.
How long is Is 29 N over Mill CR?
The structure is 144 ft (43.9 m) long with a longest span of 57 ft (17.4 m) and a deck 42 ft wide.
Who owns Is 29 N over Mill CR?
It is owned by the State Highway Agency.