S-17-174 over Mill Branch
GoodDillon County, South Carolina · 2MI SW Lake View · Structure no. 000000000003853
- Built
- 1962
- 63 years old
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 275
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-17-174 over Mill Branch is a concrete slab carrying S-17-174 over Mill Branch in Dillon County, South Carolina. It was built in 1962, so it is 63 years old, older than the South Carolina average of 48 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2043. The structure is 30 ft (9.1 m) long and 28 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-17-174 over Mill Branch built?
It was built in 1962, making it 63 years old in 2025.
What condition is S-17-174 over Mill Branch 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 February 2025.
How much traffic does S-17-174 over Mill Branch carry?
About 275 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-17-174 over Mill Branch?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-17-174 over Mill Branch?
It is owned by the State Highway Agency.