Grant Street over Spearfish Ck
PoorLawrence County, South Dakota · Grant ST - Spearfish · Structure no. 000000041093081
- Built
- 1988
- 37 years old
- Condition
- Poor
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 3,981
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Grant Street over Spearfish Ck is a prestressed concrete stringer/multi-beam or girder carrying Grant Street over Spearfish Ck in Lawrence County, South Dakota. It was built in 1988, so it is 37 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 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.
It carries about 3,981 vehicles a day, roughly 5% of them trucks, projected to reach 3,981 by 2035. The structure is 82 ft (25 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grant Street over Spearfish Ck built?
It was built in 1988, making it 37 years old in 2025.
What condition is Grant Street over Spearfish Ck 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 October 2023.
How much traffic does Grant Street over Spearfish Ck carry?
About 3,981 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Grant Street over Spearfish Ck?
The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.
Who owns Grant Street over Spearfish Ck?
It is owned by the City or Municipal Highway Agency.