County RD 229 over New Market Br
PoorPosted for loadMarion County, Missouri · S 12 T 57 N R 8 W · Structure no. 18678
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected March 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 60 ft
- 1 main span
- Daily traffic
- 35
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 229 over New Market Br is a steel girder and floorbeam system carrying County RD 229 over New Market Br in Marion County, Missouri. It was built in 1950, so it is 75 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 229 over New Market Br built?
It was built in 1950, making it 75 years old in 2025.
What condition is County RD 229 over New Market 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 March 2023.
How much traffic does County RD 229 over New Market Br carry?
About 35 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD 229 over New Market Br?
The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 16 ft wide.
Who owns County RD 229 over New Market Br?
It is owned by the County Highway Agency.