Mill Creek Road over Beaver Ck
FairLawrence County, South Dakota · 7MI.W Spearfish · Structure no. 000000041019070
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 13
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Creek Road over Beaver Ck is a prestressed concrete tee beam carrying Mill Creek Road over Beaver Ck in Lawrence County, South Dakota. It was built in 1975, so it is 50 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 5 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 13 vehicles a day, roughly 2% of them trucks, projected to reach 13 by 2032. The structure is 38 ft (11.7 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Creek Road over Beaver Ck built?
It was built in 1975, making it 50 years old in 2025.
What condition is Mill Creek Road over Beaver 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 July 2024.
How much traffic does Mill Creek Road over Beaver Ck carry?
About 13 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Mill Creek Road over Beaver Ck?
The structure is 38 ft (11.7 m) long with a longest span of 37 ft (11.4 m) and a deck 23 ft wide.
Who owns Mill Creek Road over Beaver Ck?
It is owned by the County Highway Agency.