Bridge conditions in Union County, South Carolina
132 inventoried bridges · 21 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 6 bridges in Union County is rated in poor condition: 21 of 132 on the federal inventory, one of the higher shares in South Carolina.
- 21 of the 132 bridges in Union County, South Carolina, are rated in poor condition (15.9%) in the 2025 National Bridge Inventory, as of .
- 48 bridges (36.4%) are rated good and 63 (47.7%) fair.
- The median Union County bridge was built in 1975.
- The busiest poor-rated bridge is Sc 49 over Fairforest Creek (built 1931), carrying about 3,200 vehicles a day.
Good 36.4% · Fair 47.7% · Poor 15.9% of 132 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sc 49 over Fairforest Creek | 1931 | 3,200 | Poor |
| Sc 72 over Tyger River | 1958 | 2,500 | Poor |
| Sc 215 over Fairforest Creek | 1930 | 2,300 | Poor |
| US 176 over Padgetts Creek | 1922 | 2,000 | Poor |
| US 176 over S.c.l. Railroad | 1931 | 2,000 | Poor |
| S-44-19 over Buffalo Creek | 1963 | 1,450 | Poor |
| Sc 114 over Sandy Run Creek | 1954 | 1,150 | Poor |
| Sc 18 over Southern Railroad | 1939 | 1,050 | Poor |
| Sc 49/SC 215 Con over Southern Railroad | 1930 | 1,000 | Poor |
| S-44-73 over Mill Creek | 1960 | 550 | Poor |
| S-44-12 over Mcclure Creek | 1958 | 250 | Poor |
| S-44-408 over Rocky Creek | 1974 | 200 | Poor |
| S-44-68 over Dutchmans Creek | 1960 | 175 | Poor |
| S-44-33 over Sugar Creek | 1992 | 150 | Poor |
| S-44-131 over Fanning Creek | 1958 | 125 | Poor |
| S-44-67 over Sugar Creek | 1961 | 125 | Poor |
| S-44-16 over Tyger River | 1962 | 125 | Poor |
| S-44-278 over Tinker Creek | 1966 | 125 | Poor |
| S-44-438 over Cox Creek | 1975 | 125 | Poor |
| S-44-113 over Hobson Creek | 1957 | 100 | Poor |
| S-44-10 over Broad River Branch | 1930 | 75 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sc 18 over B.u.c. Railroad | 1936 | 4,700 | Fair |
| US 176 EB over Rocky Creek | 1987 | 4,600 | Fair |
| US 176 WB over Rocky Creek | 1987 | 4,600 | Fair |
| Sc 215 over Buffalo Creek | 1924 | 4,100 | Fair |
| Sc 49 over Shoals Creek | 1931 | 3,800 | Fair |
| Sc 72 over Cox Creek | 1929 | 3,300 | Fair |
| S-44-383 over Meng Creek | 1981 | 3,300 | Fair |
| Sc 49 over Tyger River | 1931 | 3,200 | Fair |
| Sc 49 over Fairforest Creek | 1931 | 3,200 | Poor |
| Sc 49 over Shoals Creek | 1931 | 3,200 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of South Carolina: South Carolina bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.