Dynamite Ridge RD over Small Stream
FairMoniteau County, Missouri · S 8 T 44 N R 14 W · Structure no. 20087
- Built
- 1900
- 125 years old, rebuilt 2005
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 45 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Dynamite Ridge RD over Small Stream is a steel stringer/multi-beam or girder carrying Dynamite Ridge RD over Small Stream in Moniteau County, Missouri. It was built in 1900 and reconstructed in 2005, so it is 125 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.
It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 45 ft (13.7 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Dynamite Ridge RD over Small Stream built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2005.
What condition is Dynamite Ridge RD over Small Stream 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 November 2023.
How much traffic does Dynamite Ridge RD over Small Stream carry?
About 25 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Dynamite Ridge RD over Small Stream?
The structure is 45 ft (13.7 m) long with a longest span of 38 ft (11.6 m) and a deck 17 ft wide.
Who owns Dynamite Ridge RD over Small Stream?
It is owned by the County Highway Agency.