S-17-30 over Bear Swamp
Dillon County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-17-30 over Bear Swamp in Dillon County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1948, making it 77 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 32 of the 129 inventoried bridges in Dillon County rated good (24.8%); 14 (10.9%) 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 → (34.41722, -79.30695)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 2MI E Dillon |
| NBI structure number | 000000000001453 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Dillon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 NB over Great Pee Dee Swamp | 1966 | 23,150 | Fair |
| I-95 SB over Great Pee Dee Swamp | 1966 | 23,150 | Fair |
| I-95 NB over Brownsville Creek & Frtg | 1967 | 23,150 | Fair |
| I-95 NB over Poccosin Swamp | 1967 | 23,150 | Fair |
| I-95 SB over Brownsville Creek & Frtg | 1967 | 23,150 | Fair |
| I-95 SB over Poccosin Swamp | 1967 | 23,150 | Fair |
All bridges nearby: Dillon County, SC bridge conditions · every bridge in Dillon County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.