418th Avenue over Spain & Langford Ditch
PoorPosted for loadMarshall County, South Dakota · 1W & 6.2N of Langford · Structure no. 000000046060168
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
418th Avenue over Spain & Langford Ditch is a prestressed concrete tee beam carrying 418th Avenue over Spain & Langford Ditch in Marshall County, South Dakota. It was built in 1979, so it is 46 years old, younger than the South Dakota average of 48.9 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 30 ft (9.1 m) long and 27 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 418th Avenue over Spain & Langford Ditch built?
It was built in 1979, making it 46 years old in 2025.
What condition is 418th Avenue over Spain & Langford Ditch 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 August 2024.
How much traffic does 418th Avenue over Spain & Langford Ditch carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 418th Avenue over Spain & Langford Ditch?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.
Who owns 418th Avenue over Spain & Langford Ditch?
It is owned by the County Highway Agency.