Old HWY 79 over South Fork Moreau Rv
PoorPosted for loadButte County, South Dakota · 6.7 W .1 N Hoover · Structure no. 000000010320069
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 299 ft
- 11 main spans
- Daily traffic
- 22
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 79 over South Fork Moreau Rv is a wood or timber stringer/multi-beam or girder carrying Old HWY 79 over South Fork Moreau Rv in Butte County, South Dakota. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.
It carries about 22 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 299 ft (91.1 m) long and 26 ft wide. If it were closed, the detour would be 44.1 mi (71 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Old HWY 79 over South Fork Moreau Rv built?
It was built in 1930, making it 95 years old in 2025.
What condition is Old HWY 79 over South Fork Moreau Rv 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 Old HWY 79 over South Fork Moreau Rv carry?
About 22 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Old HWY 79 over South Fork Moreau Rv?
The structure is 299 ft (91.1 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.
Who owns Old HWY 79 over South Fork Moreau Rv?
It is owned by the County Highway Agency.