S-43-673 over Green Swamp
Sumter County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-43-673 over Green Swamp in Sumter 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 2007, making it 18 years old at the 2025 inventory.
- It carries about 5,600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 67 of the 166 inventoried bridges in Sumter County rated good (40.4%); 17 (10.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, 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 → (33.97107, -80.40161)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 60 ft |
| Location | 5 Mi NW of Sumter |
| NBI structure number | 000000000004671 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Sumter County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 over Douglas Swamp | 1967 | 33,700 | Fair |
| I-95 over Hope Swamp | 1967 | 33,200 | Poor |
| I-95 over Pudding Swamp | 1967 | 33,200 | Fair |
| US 76 over Green Swamp | 1941 | 30,400 | Fair |
| US 76/US 378 over Long Branch | 1941 | 26,400 | Fair |
| US 521 over Shot Pouch Branch | 1977 | 25,200 | Fair |
All bridges nearby: Sumter County, SC bridge conditions · every bridge in Sumter County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.