SD045 over Platte Ck
GoodCharles Mix County, South Dakota · 3.2 N of Platte · Structure no. 000000012230047
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 166 ft
- 3 main spans
- Daily traffic
- 1,062
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD045 over Platte Ck is a prestressed concrete continuous stringer/multi-beam or girder carrying SD045 over Platte Ck in Charles Mix County, South Dakota. It was built in 1998, so it is 27 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,062 vehicles a day, roughly 14% of them trucks, projected to reach 1,532 by 2044. The structure is 166 ft (50.6 m) long and 38 ft wide. If it were closed, the detour would be 41 mi (66 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 SD045 over Platte Ck built?
It was built in 1998, making it 27 years old in 2025.
What condition is SD045 over Platte Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does SD045 over Platte Ck carry?
About 1,062 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is SD045 over Platte Ck?
The structure is 166 ft (50.6 m) long with a longest span of 56 ft (17.2 m) and a deck 38 ft wide.
Who owns SD045 over Platte Ck?
It is owned by the State Highway Agency.