Oak Trail over Blackbird CR
GoodPutnam County, Missouri · S 3 T 64 N R 17 W · Structure no. 20808
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 80 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Oak Trail over Blackbird CR is a steel stringer/multi-beam or girder carrying Oak Trail over Blackbird CR in Putnam County, Missouri. It was built in 1991, so it is 34 years old, younger 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.
It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 80 ft (24.4 m) long and 18 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Oak Trail over Blackbird CR built?
It was built in 1991, making it 34 years old in 2025.
What condition is Oak Trail over Blackbird 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 February 2023.
How much traffic does Oak Trail over Blackbird CR carry?
About 25 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Oak Trail over Blackbird CR?
The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 18 ft wide.
Who owns Oak Trail over Blackbird CR?
It is owned by the County Highway Agency.