S-35-400 over Herndon Branch
Marlboro County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-35-400 over Herndon Branch in Marlboro County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2019, making it 6 years old at the 2025 inventory.
- It carries about 75 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 35 of the 97 inventoried bridges in Marlboro County rated good (36.1%); 7 (7.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
- Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
- 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 → (34.65873, -79.72891)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 49 ft |
| Location | 3.8 M NW of Bennettsville |
| NBI structure number | 000000000010969 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Marlboro County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sc 9 Bus over Crooked Creek | 1921 | 10,100 | Poor |
| Sc 9 over Phillis Creek | 1932 | 8,300 | Poor |
| Sc 9 over Crooked Creek | 2010 | 7,900 | Good |
| US 15 over Beaver Dam Creek | 1939 | 7,600 | Fair |
| US 15 over Panther Creek | 1925 | 7,600 | Poor |
| Sc 38 over Three Creeks | 1994 | 7,500 | Fair |
All bridges nearby: Marlboro County, SC bridge conditions · every bridge in Marlboro County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.