County RD 230 over Big Br
PoorClosed to trafficMarion County, Missouri · S 27 T 58 N R 7 W · Structure no. 17467
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected February 2019
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 230 over Big Br is a steel stringer/multi-beam or girder carrying County RD 230 over Big Br in Marion County, Missouri. It was built in 1925, so it is 100 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: closed to all traffic.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 40 ft (12.2 m) long and 18 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 230 over Big Br built?
It was built in 1925, making it 100 years old in 2025.
What condition is County RD 230 over Big 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 2019.
How much traffic does County RD 230 over Big Br carry?
About 50 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD 230 over Big Br?
The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 18 ft wide.
Who owns County RD 230 over Big Br?
It is owned by the County Highway Agency.