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Every bridge in Williamsburg County, South Carolina

Name: Every bridge in Williamsburg County, South Carolina
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

194 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Williamsburg County, South Carolina, has 194 bridges in the 2025 National Bridge Inventory: 77 rated good, 105 fair, and 12 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
Sc 527 over S.c.l. RR	1968	7,700	Fair
Sc 41 over Black River	2003	7,400	Good
Sc 41 over Horsepen Creek	1998	7,400	Good
Sc 41 over Black Mingo Creek	1942	6,700	Fair
US 52 over Smith Swamp	1952	6,200	Good
US 52 over Black River	2000	6,100	Good
US 52 over Black River Overflow	2000	6,100	Fair
US 52 over Black River Swamp	2000	6,100	Good
US 52 over Black River Swamp	2000	6,100	Fair
S-45-186 over Br-kingstree Swp Canal	1963	4,800	Fair
S-45-186 over Browns Branch	1999	4,800	Good
Sc 41 over Big Dam Swamp	1942	4,200	Good
Sc 41 over Smith Branch	1942	4,200	Good
Sc 527 over Broad Swamp	1995	3,800	Good
Sc 377 over Black River	2008	3,700	Good
Sc 377 over Black River Swamp (1)	2008	3,700	Good
Sc 377 over Black River Swamp (2)	2008	3,700	Good
Sc 377 over Black River Swamp (3)	2008	3,700	Good
US 52 over Coastline Railroad	1998	3,700	Good
US 52 over Santee River Swamp (md-6	2000	3,700	Good
US 52 over Dickie Swamp	2000	3,600	Good
US 52 over Mcgirts Swamp	2000	3,600	Good
US 52 over Mill Swamp	1952	3,600	Good
US 521 over Johnsons Swamp	1931	3,100	Fair
US 521 over Ox Swamp	1931	3,100	Fair
US 521 over Spring Valley Swamp	1931	3,100	Fair
US 521 over Stony Run	1931	3,100	Fair
S-45-271 over Kingstree SW Canal	1970	2,800	Fair
Sc 527 over Clapp Swamp	1992	2,800	Fair
Sc 527 over Pudding Swamp	1985	2,800	Fair
Sc 261 over Indiantown Swamp	1954	2,700	Fair
Sc 261 over Boggy Swamp	1927	2,300	Good
Sc 261 over Boggy Swamp	1954	2,300	Fair
Sc 261 over Paisley Swamp	1954	2,300	Fair
Sc 261 over Socee Swamp	1939	2,300	Good
US 521 over S.c.l. Railroad	1937	2,200	Fair
US 521 over Thorntree Swamp	1931	2,200	Fair
Sc 261 over Mill Branch	1930	1,650	Fair
S-45-44 over Kingstree Swamp Canal	2001	1,600	Good
Sc 512 over Mcnamee Swamp	1949	1,550	Good
S-45-16 over Johnsons Swamp	2000	1,500	Good
S-45-52 over Lake Swamp	1995	1,450	Good
Sc 527 over Birch Creek	1948	1,450	Fair
Sc 527 over Boggy Swamp	1943	1,450	Poor
S-45-33 over Kingstree Swamp	1982	1,400	Fair
S-45-33 over Kingstree Swamp Canal	1982	1,400	Fair
S-45-33 over Mill Branch	1972	1,400	Poor
S-45-33 over Smith Swamp	1972	1,400	Fair
Sc 512 over Indiantown Swamp	1948	1,250	Fair
Sc 512 over Poplar Hill Branch	1948	1,250	Fair
S-45-104 over Broad Swamp Canal	1962	1,200	Fair
S-45-24 over Burnetts Swamp	1970	1,000	Fair
S-45-24 over Campbells Swamp	1970	1,000	Fair
S-45-30 over Black River	1962	1,000	Fair
S-45-30 over Br of Black River	1994	1,000	Good
S-45-30 over Br of Black River	1995	1,000	Good
S-45-58 over Br of Muddy Ck	1968	1,000	Fair
S-45-194 over Indian Town Swamp	2017	950	Good
S-45-51 over Black Mingo Creek	2016	950	Good
S-45-771 over Br Kingstree SW Canal	1986	950	Good
L-45-469 over Poplar Hill Br	2005	850	Fair
S-45-28 over Kingstree Swamp Canal	1996	850	Good
S-45-118 over Br of Boggy Swamp	1965	800	Fair
S-45-35 over Bennett Swamp	1949	800	Fair
S-45-35 over Black River	1995	800	Good
S-45-35 over Br of Black River	1995	800	Good
S-45-35 over Br of Black River	1995	800	Good
S-45-35 over Br of Black River	1995	800	Fair
S-45-35 over Br of Black River	1995	800	Fair
S-45-35 over Br of Black River	1995	800	Good
S-45-35 over Br of Black River	1995	800	Good
S-45-35 over Hollimans Swamp	1966	800	Fair
S-45-35 over Mills Branch	1995	800	Fair
S-45-39 over Boggy Swamp	2016	800	Good
S-45-24 over Cedar Swamp	1948	750	Fair
S-45-24 over Headless Swamp	1995	750	Good
S-45-24 over Turkey Creek	1948	750	Fair
S-45-40 over Mill Creek	1958	750	Fair
S-45-40 over Muddy Creek	1958	750	Fair
S-45-44 over Clapp Swamp Trib	1965	750	Fair
S-45-44 over Kingstree Swamp Canal	1984	750	Good
Sc 512 over Paisley Swamp (no. 1)	2016	750	Good
Sc 512 over Paisley Swamp (no. 2)	1978	750	Poor
S-45-121 over Mingo Creek	2016	700	Good
S-45-121 over Mingo Creek	2016	700	Good
S-45-142 over Boggy Swamp	1995	700	Good
S-45-142 over Boggy Swamp	1995	700	Good
S-45-16 over Br of Ox Swamp	1963	700	Fair
S-45-319 over Soccee Swamp	1962	700	Fair
S-45-84 over Indian Town Swamp	1963	700	Fair
S-45-121 over Poplar Hill Branch	1998	600	Fair
S-45-28 over Br of Clapp Swp (co Line	1995	600	Good
S-45-28 over Clapp Swamp Canal	1969	600	Fair
S-45-285 over Tisdale Branch	1961	600	Fair
S-45-48 over Br-mt. Hope Swp	1961	600	Fair
S-45-48 over Br-mt. Hope Swp	1961	600	Fair
S-45-48 over Mt Hope Swamp	1995	600	Good
Sc 375 over Penn Branch	1939	600	Good
S-45-116 over Mc/namee Swamp	1968	550	Fair
S-45-116 over White Oak Swamp	1966	550	Fair
S-45-438 over Br of Boggy Swamp	1966	550	Fair
S-45-347 over Kingstree Swamp Canal	1994	500	Good
S-45-288 over Burnetts Swamp	1962	475	Good
S-45-444 over Mill Creek	1966	475	Fair
S-45-317 over Br of Ox Swamp	2007	450	Good
S-45-317 over Br of Ox Swamp	1963	450	Fair
S-45-525 over Johnson Swamp Creek	1971	450	Fair
S-45-78 over Br-pudding Swp	1996	450	Good
S-45-376 over Br Mc/girts Swamp	2008	425	Good
S-45-385 over Br-thorntree Swamp	1974	425	Fair
S-45-47 over Clapp Swamp	1983	425	Good
S-45-47 over Clapp Swamp	1983	425	Good
S-45-47 over Sandy Bay Branch	1994	425	Good
S-45-197 over Laws Swamp	1987	375	Fair
S-45-197 over Laws Swamp	1995	375	Good
S-45-221 over Br of Ox Swamp	1960	375	Fair
S-45-223 over Johnson Swamp	1960	375	Fair
S-45-30 over Dry Swamp	1962	375	Fair
S-45-116 over Home Swamp	1956	350	Fair
S-45-219 over Stoney Run	1996	350	Good
S-45-290 over Indian Town Swamp	1962	350	Fair
S-45-38 over Cedar Swamp	1976	350	Poor
S-45-45 over Wee Tee Branch	1956	350	Fair
S-45-585 over Kingstree Swamp	1975	325	Fair
S-45-454 over Br of Clapp Swamp	1968	300	Poor
S-45-454 over Clapp Swamp	1968	300	Fair
S-45-454 over Kingstree Swamp	1995	300	Good
S-45-454 over Smiths Swamp	1995	300	Fair
S-45-85 over Boggy Swamp	1965	300	Poor
S-45-85 over Indian Town Swamp	1993	300	Fair
S-45-86 over Turkey Creek	1958	300	Fair
S-45-90 over Br-thorntree Swp	1967	300	Fair
S-338/inglenook Rd over Boggy Swamp Br	2021	275	Good
S-45-147 over Bennett Swamp	2013	275	Good
S-45-259 over Clapp Swamp	1960	275	Poor
S-45-26 over Mt. Hope Swamp	1961	275	Fair
S-45-315 over Kingstree Swamp Canal	1965	275	Fair
S-45-40 over Br of Muddy Ck (co Line)	1963	275	Poor
S-45-639 over Birch Creek	1973	275	Fair
S-45-574 over Johnson Swamp	1966	250	Fair
S-45-122 over Flat Creek	1955	225	Fair
S-45-122 over Johnsons Swamp	1962	225	Fair
S-45-122 over Murray Swamp	1962	225	Fair
S-45-629 over Murry Swamp	1977	225	Fair
S-45-80 over Hallimans Swamp	1973	225	Fair
C-45-388 over Jones Swamp	1998	200	Fair
C-45-400 over Smiths Swamp	1965	200	Poor
C-45-641 over Kingstree Swamp	1973	200	Fair
L-964 Alvamarie Ln over BRANCH to Kingstree cana	1961	200	Poor
S-45-383 over Birch Creek	1966	200	Fair
S-45-383 over Birch Creek	1966	200	Fair
S-45-249 over Br Kingstree Swp Canal	1958	175	Fair
S-45-381 over Br of Soccee Swamp	1966	175	Fair
S-45-381 over Br of Soccee Swamp	2022	175	Good
S-45-382 over Br Kingstree Swp Canal	1966	175	Fair
S-45-382 over Br Kingstree Swp Canal	1976	175	Fair
S-45-382 over Br Kingstree Swp Canal	1998	175	Good
S-45-382 over Kingstree Swamp Canal	1998	175	Good
S-45-498 over Trib-black River	1969	175	Fair
S-45-526 over Johnsons Swamp	1972	175	Fair
S-45-552 over Smith Swamp	2005	175	Fair
S-45-574 over Br of Flat CR	1966	175	Fair
S-45-574 over Br of Flat CR	1998	175	Good
S-45-728 over Branch of Kingstree SW	1984	175	Poor
S-45-143 over Thorntree Swamp	1973	150	Poor
S-45-254 over Cedar Swamp	2001	150	Good
S-45-292 over Grahams Mill Branch	1997	150	Good
S-45-362 over Br of Poplar Hill	1963	150	Fair
S-45-370 over Hollimans Swamp	1966	150	Fair
S-45-445 over Muddy Creek	1997	150	Good
S-45-160 over Br-poplar Hill Br	1963	125	Fair
S-45-220 over Dickie Swamp	2005	125	Good
S-45-220 over Dickie Swamp	2005	125	Good
S-45-220 over Dickie Swamp	2005	125	Good
S-45-220 over Mc/girts Swamp	2005	125	Good
S-45-257 over Vickie Swamp	1960	125	Good
S-45-287 over Pudding Swamp	1996	125	Good
S-45-300 over Poplar Hill Br Overflow	1997	125	Good
S-45-300 over Poplar Hill Branch	1963	125	Fair
S-45-363 over Br-poplar Hill Br	1963	125	Fair
S-45-45 over June Branch	1961	125	Fair
S-45-453 over Thorntree Swamp	1967	125	Fair
S-45-570 over Thorntree Swamp	2012	125	Good
S-45-573 over White Oak Swamp	1973	125	Fair
S-45-586 over Br. Clapp Swamp	1965	125	Fair
S-45-74 over Hell Hole Branch	2016	125	Good
S-45-74 over Turkey Creek	1960	125	Fair
S-45-754 over Br- Kingstree Canal	1987	125	Good
S-45-754 over Smith Swamp	1987	125	Good
S-45-754 over Smiths Swamp	1987	125	Fair
S-45-161 over Campbell Swamp	1956	75	Fair
S-45-286 over Br of Soccee Swamp	1962	75	Fair
S-45-326 over Cedar Swamp	1963	50	Fair
S-45-496 over Br of Boggy Swamp	1978	25	Fair

Source: FHWA National Bridge Inventory, 2025.

Williamsburg County bridge conditions · South Carolina bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.