Mo 149 S over Blackbird CR
FairPosted for loadPutnam County, Missouri · S 2 T 64 N R 17 W · Structure no. 7764
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 619
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 149 S over Blackbird CR is a steel continuous stringer/multi-beam or girder carrying Mo 149 S over Blackbird CR in Putnam 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 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 619 vehicles a day, roughly 4% of them trucks, projected to reach 774 by 2044. The structure is 168 ft (51.2 m) long and 24 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 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 Mo 149 S over Blackbird CR built?
It was built in 1963, making it 62 years old in 2025.
What condition is Mo 149 S over Blackbird 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 December 2023.
How much traffic does Mo 149 S over Blackbird CR carry?
About 619 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Mo 149 S over Blackbird CR?
The structure is 168 ft (51.2 m) long with a longest span of 65 ft (19.8 m) and a deck 24 ft wide.
Who owns Mo 149 S over Blackbird CR?
It is owned by the State Highway Agency.