Sc 165/HIGHWAY 165 over Caw Caw Swamp-no 3
Charleston County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sc 165/HIGHWAY 165 over Caw Caw Swamp-no 3 in Charleston 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 6,300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 141 of the 339 inventoried bridges in Charleston County rated good (41.6%); 9 (2.7%) 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 → (32.79949, -80.26903)
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 | Continuous concrete slab |
| Length | about 89 ft |
| Location | 10 Mi W of Charleston |
| NBI structure number | 000000000010272 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Charleston County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-26 over RR NS Spur & Taylor St | 1964 | 170,100 | Fair |
| I-26 over Goose Creek | 1960 | 109,600 | Fair |
| I-26 over RR Csxt | 1963 | 94,100 | Poor |
| US 17 over RR Csxt & US 52 Bus | 2005 | 94,100 | Fair |
| US 17 over Marsh | 2005 | 94,100 | Good |
| US 17 over Cooper River Town Creek | 2005 | 94,100 | Good |
All bridges nearby: Charleston County, SC bridge conditions · every bridge in Charleston County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.