Old HWY 21 over Sinking CR
PoorPosted for loadReynolds County, Missouri · S 29 T 31 N R 1 E · Structure no. 23117
- Built
- 1923
- 102 years old
- Condition
- Poor
- inspected January 2025
- Type
- Truss - Thru
- Steel
- Length
- 222 ft
- 3 main spans
- Daily traffic
- 30
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 21 over Sinking CR is a steel truss - thru carrying Old HWY 21 over Sinking CR in Reynolds County, Missouri. It was built in 1923, so it is 102 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. Its operating status is: posted for load restriction.
It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 222 ft (67.7 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Old HWY 21 over Sinking CR built?
It was built in 1923, making it 102 years old in 2025.
What condition is Old HWY 21 over Sinking 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 January 2025.
How much traffic does Old HWY 21 over Sinking CR carry?
About 30 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Old HWY 21 over Sinking CR?
The structure is 222 ft (67.7 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.
Who owns Old HWY 21 over Sinking CR?
It is owned by the County Highway Agency.