County RD 921 over Trib of Blue Sprin
PoorClosed to trafficPerry County, Missouri · S 447 T 36 N R 10 E · Structure no. 13564
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected January 2025
- Type
- Truss - Thru
- Steel
- Length
- 45 ft
- 1 main span
- Daily traffic
- 35
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 921 over Trib of Blue Sprin is a steel truss - thru carrying County RD 921 over Trib of Blue Sprin in Perry 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 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 47 by 2043. The structure is 45 ft (13.7 m) long and 12 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 921 over Trib of Blue Sprin built?
It was built in 1920, making it 105 years old in 2025.
What condition is County RD 921 over Trib of Blue Sprin 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 County RD 921 over Trib of Blue Sprin carry?
About 35 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD 921 over Trib of Blue Sprin?
The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 12 ft wide.
Who owns County RD 921 over Trib of Blue Sprin?
It is owned by the County Highway Agency.