Mo 43 S over Mason Spr CR
FairNewton County, Missouri · S 20 T 24 N R 34 W · Structure no. 3914
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 94 ft
- 3 main spans
- Daily traffic
- 2,019
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 43 S over Mason Spr CR is a prestressed concrete continuous tee beam carrying Mo 43 S over Mason Spr CR in Newton County, Missouri. It was built in 1989, so it is 36 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 2,019 vehicles a day, roughly 21% of them trucks, projected to reach 3,331 by 2044. The structure is 94 ft (28.7 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 43 S over Mason Spr CR built?
It was built in 1989, making it 36 years old in 2025.
What condition is Mo 43 S over Mason Spr 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 Mo 43 S over Mason Spr CR carry?
About 2,019 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is Mo 43 S over Mason Spr CR?
The structure is 94 ft (28.7 m) long with a longest span of 37 ft (11.3 m) and a deck 36 ft wide.
Who owns Mo 43 S over Mason Spr CR?
It is owned by the State Highway Agency.