Harmon Drive over Lake Mitchell Lk
GoodDavison County, South Dakota · NW Edge Lk Mitchell · Structure no. 000000018129061
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 126 ft
- 1 main span
- Daily traffic
- 640
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Harmon Drive over Lake Mitchell Lk is a prestressed concrete stringer/multi-beam or girder carrying Harmon Drive over Lake Mitchell Lk in Davison County, South Dakota. It was built in 2015, so it is 10 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 640 vehicles a day, roughly 10% of them trucks, projected to reach 795 by 2032. The structure is 126 ft (38.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| 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 Harmon Drive over Lake Mitchell Lk built?
It was built in 2015, making it 10 years old in 2025.
What condition is Harmon Drive over Lake Mitchell Lk 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 2024.
How much traffic does Harmon Drive over Lake Mitchell Lk carry?
About 640 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Harmon Drive over Lake Mitchell Lk?
The structure is 126 ft (38.4 m) long with a longest span of 122 ft (37.2 m) and a deck 50 ft wide.
Who owns Harmon Drive over Lake Mitchell Lk?
It is owned by the City or Municipal Highway Agency.