SD013 over Medary Ck
PoorBrookings County, South Dakota · 0.8 S JCT US 14 · Structure no. 000000006320198
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 76 ft
- 1 main span
- Daily traffic
- 1,275
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD013 over Medary Ck is a steel stringer/multi-beam or girder carrying SD013 over Medary Ck in Brookings County, South Dakota. It was built in 1938, so it is 87 years old, older 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.
It carries about 1,275 vehicles a day, roughly 12% of them trucks, projected to reach 1,918 by 2044. The structure is 76 ft (23.2 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 SD013 over Medary Ck built?
It was built in 1938, making it 87 years old in 2025.
What condition is SD013 over Medary Ck 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 2023.
How much traffic does SD013 over Medary Ck carry?
About 1,275 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is SD013 over Medary Ck?
The structure is 76 ft (23.2 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.
Who owns SD013 over Medary Ck?
It is owned by the State Highway Agency.