Mo 143 S over Big CR
GoodPosted for loadWayne County, Missouri · S 21 T 30 N R 5 E · Structure no. 8321
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 426 ft
- 5 main spans
- Daily traffic
- 590
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 143 S over Big CR is a steel continuous stringer/multi-beam or girder carrying Mo 143 S over Big CR in Wayne County, Missouri. It was built in 1963, so it is 62 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.
It carries about 590 vehicles a day, roughly 6% of them trucks, projected to reach 856 by 2044. The structure is 426 ft (129.8 m) long and 28 ft wide. If it were closed, the detour would be 37.9 mi (61 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 Mo 143 S over Big CR built?
It was built in 1963, making it 62 years old in 2025.
What condition is Mo 143 S over Big CR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does Mo 143 S over Big CR carry?
About 590 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Mo 143 S over Big CR?
The structure is 426 ft (129.8 m) long with a longest span of 92 ft (28 m) and a deck 28 ft wide.
Who owns Mo 143 S over Big CR?
It is owned by the State Highway Agency.