S-14-37 over Trib to Douglas Swamp
Clarendon County, South Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-14-37 over Trib to Douglas Swamp in Clarendon County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 850 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 132 of the 170 inventoried bridges in Clarendon County rated fair (77.6%); 7 (4.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (substructure 7 to 5).
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (33.84972, -79.89746)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 29 ft |
| Location | 5.5MI E Turbeville |
| NBI structure number | 000000000006848 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| 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 Clarendon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 over Tawcaw Creek | 1967 | 35,400 | Fair |
| I-95 NB over Lake Marion | 1968 | 19,800 | Fair |
| I-95 NB over Lake Marion Relief | 1968 | 19,800 | Fair |
| I-95 NB over US 15 | 1968 | 19,800 | Fair |
| I-95 SB over Lake Marion | 1968 | 19,800 | Fair |
| I-95 SB over Lake Marion Relief | 1968 | 19,800 | Fair |
All bridges nearby: Clarendon County, SC bridge conditions · every bridge in Clarendon County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.