Rim Rock Trail over Big Rock CR
PoorWorth County, Missouri · S 19 T 65 N R 30 W · Structure no. 17829
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 30
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Rim Rock Trail over Big Rock CR is a steel stringer/multi-beam or girder carrying Rim Rock Trail over Big Rock CR in Worth County, Missouri. It was built in 1920, so it is 105 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 35 ft (10.7 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Rim Rock Trail over Big Rock CR built?
It was built in 1920, making it 105 years old in 2025.
What condition is Rim Rock Trail over Big Rock CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.
How much traffic does Rim Rock Trail over Big Rock CR carry?
About 30 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Rim Rock Trail over Big Rock CR?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 21 ft wide.
Who owns Rim Rock Trail over Big Rock CR?
It is owned by the County Highway Agency.