US 221 over Simmons Branch
McCormick County, South Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 221 over Simmons Branch in McCormick County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1942, making it 83 years old at the 2025 inventory.
- It carries about 3,300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 38 of the 68 inventoried bridges in McCormick County rated fair (55.9%); 3 (4.4%) are rated poor.
- 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 → (33.92043, -82.28463)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 48 ft |
| Location | In Mccormick |
| NBI structure number | 000000000001254 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in McCormick County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sc 28 over Savannah River | 1929 | 4,600 | Fair |
| Sc 28 over CSX Rail Road | 1987 | 4,200 | Good |
| US 221 over Rocky Creek | 1941 | 3,300 | Fair |
| US 378 over Little River | 2017 | 2,700 | Good |
| US 378/GA SR 43 over Savannah River | 2016 | 2,700 | Good |
| Sc 28 over Taylor Creek | 1930 | 2,300 | Good |
All bridges nearby: McCormick County, SC bridge conditions · every bridge in McCormick County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.