S-21-461 over Trib to Lynches River
Florence County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-21-461 over Trib to Lynches River in Florence 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 2017, making it 8 years old at the 2025 inventory.
- It carries about 950 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 92 of the 275 inventoried bridges in Florence County rated good (33.5%); 10 (3.6%) 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 → (33.94659, -79.69053)
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 slab |
| Length | about 120 ft |
| Location | 4 Mi NE Scranton |
| NBI structure number | 000000000007789 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Florence County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 over US 52&s-21-498&rr Csxt | 1966 | 57,700 | Fair |
| I-95 SB over I-20 EB | 1967 | 57,700 | Fair |
| I-95 over S-21-26 | 1966 | 54,300 | Fair |
| US 52 over Middle Swamp | 1927 | 35,600 | Fair |
| US 52 over Middle Swamp | 1927 | 35,600 | Fair |
| I-95 SB over S-21-13 | 1966 | 28,850 | Fair |
All bridges nearby: Florence County, SC bridge conditions · every bridge in Florence County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.