Is 229 N over Dillon CR
FairAndrew County, Missouri · S 8 T 58 N R 35 W · Structure no. 944
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 1,819
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 229 N over Dillon CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 229 N over Dillon CR in Andrew County, Missouri. It was built in 1985, so it is 40 years old, younger 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 1,819 vehicles a day, roughly 22% of them trucks, projected to reach 3,820 by 2044. The structure is 164 ft (50 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 229 N over Dillon CR built?
It was built in 1985, making it 40 years old in 2025.
What condition is Is 229 N over Dillon 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 2024.
How much traffic does Is 229 N over Dillon CR carry?
About 1,819 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is Is 229 N over Dillon CR?
The structure is 164 ft (50 m) long with a longest span of 63 ft (19.2 m) and a deck 42 ft wide.
Who owns Is 229 N over Dillon CR?
It is owned by the State Highway Agency.