County Road 261 over Rock Br
PoorClosed to trafficCarroll County, Missouri · S 27 T 55 N R 23 W · Structure no. 15412
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected February 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 5
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 261 over Rock Br is a steel stringer/multi-beam or girder carrying County Road 261 over Rock Br in Carroll County, Missouri. It was built in 1940, so it is 85 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 2 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: closed to all traffic.
It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 26 ft (7.9 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 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 261 over Rock Br built?
It was built in 1940, making it 85 years old in 2025.
What condition is County Road 261 over Rock Br 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 February 2022.
How much traffic does County Road 261 over Rock Br carry?
About 5 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is County Road 261 over Rock Br?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 17 ft wide.
Who owns County Road 261 over Rock Br?
It is owned by the County Highway Agency.