County RD 115 over Rock CR
PoorPosted for loadKnox County, Missouri · S 29 T 62 N R 12 W · Structure no. 16258
- Built
- 1988
- 37 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 50
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 115 over Rock CR is a steel stringer/multi-beam or girder carrying County RD 115 over Rock CR in Knox County, Missouri. It was built in 1988, so it is 37 years old, younger 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2044. The structure is 34 ft (10.4 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 County RD 115 over Rock CR built?
It was built in 1988, making it 37 years old in 2025.
What condition is County RD 115 over 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 August 2023.
How much traffic does County RD 115 over Rock CR carry?
About 50 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County RD 115 over Rock CR?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 21 ft wide.
Who owns County RD 115 over Rock CR?
It is owned by the County Highway Agency.