County RD SW 430 over Clear CR
PoorPosted for loadSt. Clair County, Missouri · S 21 T 37 N R 28 W · Structure no. 22024
- Built
- 1910
- 115 years old, rebuilt 1988
- Condition
- Poor
- inspected December 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 121 ft
- 1 main span
- Daily traffic
- 20
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD SW 430 over Clear CR is a steel girder and floorbeam system carrying County RD SW 430 over Clear CR in St. Clair County, Missouri. It was built in 1910 and reconstructed in 1988, so it is 115 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2043. The structure is 121 ft (36.9 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 County RD SW 430 over Clear CR built?
It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1988.
What condition is County RD SW 430 over Clear 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 2023.
How much traffic does County RD SW 430 over Clear CR carry?
About 20 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD SW 430 over Clear CR?
The structure is 121 ft (36.9 m) long with a longest span of 85 ft (25.9 m) and a deck 17 ft wide.
Who owns County RD SW 430 over Clear CR?
It is owned by the County Highway Agency.