Deerfield Road over Newton Fork Ck
FairPennington County, South Dakota · .3W & .9N Hill City · Structure no. 000000052236392
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 1,837
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Deerfield Road over Newton Fork Ck is a prestressed concrete tee beam carrying Deerfield Road over Newton Fork Ck in Pennington County, South Dakota. It was built in 1987, so it is 38 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 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 1,837 vehicles a day, roughly 3% of them trucks, projected to reach 1,837 by 2032. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 26.7 mi (43 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 | 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 Deerfield Road over Newton Fork Ck built?
It was built in 1987, making it 38 years old in 2025.
What condition is Deerfield Road over Newton Fork 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 2024.
How much traffic does Deerfield Road over Newton Fork Ck carry?
About 1,837 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Deerfield Road over Newton Fork Ck?
The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.
Who owns Deerfield Road over Newton Fork Ck?
It is owned by the County Highway Agency.