County RD SE 750 over W Coon CR
PoorPosted for loadSt. Clair County, Missouri · S 1 T 36 N R 25 W · Structure no. 23286
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected December 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 20
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD SE 750 over W Coon CR is a steel girder and floorbeam system carrying County RD SE 750 over W Coon CR in St. Clair 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 3 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 41 ft (12.5 m) long and 15 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD SE 750 over W Coon CR built?
It was built in 1940, making it 85 years old in 2025.
What condition is County RD SE 750 over W Coon 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 SE 750 over W Coon CR carry?
About 20 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD SE 750 over W Coon CR?
The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 15 ft wide.
Who owns County RD SE 750 over W Coon CR?
It is owned by the County Highway Agency and maintained by the Other Local Agency.