Dart RD over Old Mines CR
PoorPosted for loadWashington County, Missouri · S 3309 T 38 N R 2 E · Structure no. 36270
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 20
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Dart RD over Old Mines CR is a concrete slab carrying Dart RD over Old Mines CR in Washington 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 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 2044. The structure is 38 ft (11.5 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dart RD over Old Mines CR built?
It was built in 1950, making it 75 years old in 2025.
What condition is Dart RD over Old Mines 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 April 2024.
How much traffic does Dart RD over Old Mines CR carry?
About 20 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Dart RD over Old Mines CR?
The structure is 38 ft (11.5 m) long with a longest span of 15 ft (4.5 m) and a deck 12 ft wide.
Who owns Dart RD over Old Mines CR?
It is owned by the County Highway Agency.