Murphy Road over Murphy Ck
FairPennington County, South Dakota · 6.6E Hayward · Structure no. 000000052429448
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 77
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Murphy Road over Murphy Ck is a wood or timber stringer/multi-beam or girder carrying Murphy Road over Murphy Ck in Pennington County, South Dakota. It was built in 1966, so it is 59 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 77 vehicles a day, roughly 2% of them trucks, projected to reach 77 by 2032. The structure is 41 ft (12.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Murphy Road over Murphy Ck built?
It was built in 1966, making it 59 years old in 2025.
What condition is Murphy Road over Murphy Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.
How much traffic does Murphy Road over Murphy Ck carry?
About 77 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Murphy Road over Murphy Ck?
The structure is 41 ft (12.4 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.
Who owns Murphy Road over Murphy Ck?
It is owned by the County Highway Agency.