S-16-36 over Seed Branch
Darlington County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-16-36 over Seed Branch in Darlington County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 700 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 55 of the 173 inventoried bridges in Darlington County rated good (31.8%); 11 (6.4%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.41, -79.94)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 120 ft |
| Location | 7MI NE Hartsville |
| NBI structure number | 000000000008997 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Darlington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-20 over Jacks Branch | 1974 | 30,400 | Fair |
| I-95 NB over Black Creek | 2004 | 27,150 | Good |
| I-95 SB over Black Creek | 2004 | 27,150 | Good |
| US 52 over Indian Creek | 1972 | 24,000 | Fair |
| US 52 over High Hill Creek | 1924 | 19,800 | Fair |
| US 52 over High Hill Creek | 1924 | 19,800 | Fair |
All bridges nearby: Darlington County, SC bridge conditions · every bridge in Darlington County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.