Norris Peak Road over Boxelder Ck
FairPennington County, South Dakota · 1.1E 3.0N Johnson Sd · Structure no. 000000052319268
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 471
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Norris Peak Road over Boxelder Ck is a prestressed concrete tee beam carrying Norris Peak Road over Boxelder Ck in Pennington County, South Dakota. It was built in 1972, so it is 53 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 471 vehicles a day, roughly 2% of them trucks, projected to reach 471 by 2032. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 28.6 mi (46 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 | 7 Good | Some minor problems. |
| 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Norris Peak Road over Boxelder Ck built?
It was built in 1972, making it 53 years old in 2025.
What condition is Norris Peak Road over Boxelder 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 Norris Peak Road over Boxelder Ck carry?
About 471 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Norris Peak Road over Boxelder Ck?
The structure is 90 ft (27.4 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.
Who owns Norris Peak Road over Boxelder Ck?
It is owned by the County Highway Agency.