Mo 9 S over Cst NW Briarcliff Pkwy
FairPosted for loadClay County, Missouri · S 10 T 50 N R 33 W · Structure no. 1704
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 152 ft
- 3 main spans
- Daily traffic
- 7,606
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 9 S over Cst NW Briarcliff Pkwy is a steel continuous stringer/multi-beam or girder carrying Mo 9 S over Cst NW Briarcliff Pkwy in Clay County, Missouri. It was built in 1969, so it is 56 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 7,606 vehicles a day, roughly 6% of them trucks, projected to reach 13,691 by 2044. The structure is 152 ft (46.3 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 9 S over Cst NW Briarcliff Pkwy built?
It was built in 1969, making it 56 years old in 2025.
What condition is Mo 9 S over Cst NW Briarcliff Pkwy 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 Mo 9 S over Cst NW Briarcliff Pkwy carry?
About 7,606 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Mo 9 S over Cst NW Briarcliff Pkwy?
The structure is 152 ft (46.3 m) long with a longest span of 80 ft (24.4 m) and a deck 41 ft wide.
Who owns Mo 9 S over Cst NW Briarcliff Pkwy?
It is owned by the State Highway Agency.