Total Bridges
5,396
Public highway bridges in South Carolina
State profile · Near national median SD
South Carolina bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in South Carolina — drawn straight from the FHWA National Bridge Inventory.
- 5,396
- Public bridges
- 34.8%
- Good condition
- 6.1%
- Poor condition
- 6.1%
- Structurally deficient
Good Condition
34.8%
1,876 bridges rated 7-9
-15.2pp vs 50% benchmark
Poor Condition
6.1%
329 bridges rated 0-4
Structurally Deficient
6.1%
329 bridges flagged for repair priority
-0.9pp vs national avg 7.0%
South Carolina vs national bridge condition
South Carolina — Good condition share 34.8%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
South Carolina — Structurally deficient share 20.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — South Carolina (FHWA NBI)
Counties (46)
Abbeville 96 Aiken 103 Allendale 43 Anderson 267 Bamberg 48 Barnwell 45 Beaufort 45 Berkeley 136 Calhoun 34 Charleston 196 Cherokee 113 Chester 95 Chesterfield 126 Clarendon 85 Colleton 139 Darlington 95 Dillon 62 Dorchester 112 Edgefield 82 Fairfield 81 Florence 161 Georgetown 71 Greenville 373 Greenwood 75 Hampton 60 Horry 259 Jasper 73 Kershaw 94 Lancaster 110 Laurens 146 Lee 50 Lexington 135 Marion 61 Marlboro 52 McCormick 32 Newberry 111 Oconee 119 Orangeburg 160 Pickens 156 Richland 211 Saluda 66 Spartanburg 361 Sumter 100 Union 82 Williamsburg 108 York 167
South Carolina vs nearby ranks
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below South Carolina on the same metric.
16
Idaho
5.51% top marginal rate
28
Mississippi
5.92% top marginal rate
45
South Carolina
6.10% top marginal rate
55
Wisconsin
6.13% top marginal rate
37
North Carolina
6.16% top marginal rate
Bridges Needing Most Attention in South Carolina
Six lowest-condition bridges in South Carolina, ranked by composite NBI rating. Each is inspected at least every 24 months.
C-20-60
PoorOver: BR OF MORRIS CR
8.4 MI SW OF WINNSBORO, Fairfield, SC
Built 1960 Load: 0.3 t ADT: 125
S-12-353
PoorOver: BEAVER DAM CREEK
3MI NW GREAT FALLS, Chester, SC
Built 1974 Load: 0.6 t ADT: 200
C-30-548
PoorOver: NORTH RABON CREEK
11.5MI NW OF LAURENS, Laurens, SC
Built 1989 Load: 0.6 t ADT: 200
S-34-64
PoorOver: PITCH POT SWAMP
4MI W MARION, Marion, SC
Built 1967 Load: 1.0 t ADT: 200
S-39-250
PoorOver: MACHINE CREEK
8.0 MI N EASLEY, Pickens, SC
Built 1963 Load: 1.0 t ADT: 2,400
C-11-288
PoorOver: BR BROAD RIVER
3.8 MI SW BLACKBURG, Cherokee, SC
Built 1992 Load: 1.3 t ADT: 200
All Bridges in South Carolina
S-6-29
FairOver: TOBY CREEK
3 MI E BARNWELL, Barnwell, SC
Built 1948 Load: 29.2 t ADT: 900
US 278 WB
FairOver: MACKAY CREEK
HILTON HEAD ISLAND, Beaufort, SC
Built 1983 Load: 29.2 t ADT: 28,700
US 21
FairOver: SAVANY HUNT CREEK
2 MI NW OF ST MATTHEWS, Calhoun, SC
Built 1965 Load: 29.2 t ADT: 4,700
US 17 NB
FairOver: AWENDAW CREEK
AT AWENDAW, Charleston, SC
Built 1977 Load: 29.2 t ADT: 5,400
RAMP ON SC 30 WB
FairOver: VEGETATIVE RIGHT OF WAY
CITY OF CHARLESTON, Charleston, SC
Built 1993 Load: 29.2 t ADT: 27,950
US 17 ALT
FairOver: BLUE HORSE CREEK
3.5 MI S OF WALTBR, Colleton, SC
Built 1925 Load: 29.2 t ADT: 1,300
S-15-64
FairOver: INDIAN CREEK
7.8 MI NW WALT'B, Colleton, SC
Built 1958 Load: 29.2 t ADT: 900
S-63/CHEROKEE DR
FairOver: BUCKHEAD CREEK
17.8 MI NW WALTERBORO, Colleton, SC
Built 1959 Load: 29.2 t ADT: 275
S-15-124/BEDON RD
FairOver: UNNAMED STREAM
2.8 MI E WALT'B, Colleton, SC
Built 1960 Load: 29.2 t ADT: 1,650
SC 57
FairOver: BR OF LITTLE PEE DEE RIV
7.0MI NW OF LITTLE ROCK, Dillon, SC
Built 1948 Load: 29.2 t ADT: 950
S-23-87
FairOver: LANGSTON CREEK
3.5 MI N GREENVILLE, Greenville, SC
Built 1948 Load: 29.2 t ADT: 11,900
I-85
FairOver: BRUSHY CREEK
5.0 MI SW GREER, Greenville, SC
Built 1962 Load: 29.2 t ADT: 124,000
I-95 NB
FairOver: BAHAMA SWAMP
5MI N OF HARDEEVILLE, Jasper, SC
Built 1968 Load: 29.2 t ADT: 29,450
S-27-14
FairOver: GREAT SWAMP
1.8MI NW RIDGELAND, Jasper, SC
Built 1986 Load: 29.2 t ADT: 600
S-29-614
FairOver: HANNAH CREEK
CITY OF LANCASTER, Lancaster, SC
Built 1977 Load: 29.2 t ADT: 150
SC 302
FairOver: SAVANA BRANCH
1MI NE OF S CONGAREE, Lexington, SC
Built 1928 Load: 29.2 t ADT: 15,800
US 501 SB
FairOver: LITTLE PEE DEE SWP-5
.2 MI W GALIVANTS FERRY, Marion, SC
Built 1931 Load: 29.2 t ADT: 9,650
SC 11
FairOver: CANE CREEK
1.0 MI NE OF WEST UNION, Oconee, SC
Built 1958 Load: 29.2 t ADT: 10,700
S-38-162
FairOver: WILLOW SWAMP
2MI SW NORWAY, Orangeburg, SC
Built 1939 Load: 29.2 t ADT: 225
I-26 EB
FairOver: SOUTH TYGER RIVER
5.0 MI NE WOODRUFF, Spartanburg, SC
Built 1960 Load: 29.2 t ADT: 14,150
S-42-494
FairOver: LAWSONS FORK CREEK
2.3 MI E. SPARTANBURG, Spartanburg, SC
Built 1960 Load: 29.2 t ADT: 8,600
S-42-605
FairOver: SCL RAILROAD
POWELL MILL RD/SPTBG, Spartanburg, SC
Built 1977 Load: 29.2 t ADT: 3,500
S-43-43
FairOver: RAFTING CREEK
5 MI SE REMBERT, Sumter, SC
Built 1948 Load: 29.2 t ADT: 1,050
S-46-72
FairOver: LOVE BRANCH
1.5 MI SW HICKORY GROVE, York, SC
Built 1975 Load: 29.2 t ADT: 225
SC 81
FairOver: ROCKY RIVER
14.5MI NW ABBEV, Abbeville, SC
Built 1938 Load: 29.5 t ADT: 1,550
SC 72
FairOver: BLUE HILL CREEK
ABBEVILLE CITY LIMITS, Abbeville, SC
Built 1949 Load: 29.5 t ADT: 10,000
US 1
FairOver: SOUTHERN RR (NO 1)
HAMBURG SC, Aiken, SC
Built 1952 Load: 29.5 t ADT: 26,000
US 321
FairOver: MILLER CREEK
1MI W OF SYCAMORE, Allendale, SC
Built 1921 Load: 29.5 t ADT: 1,500
US 278
FairOver: LOG CREEK
1MI N OF ALLENDALE, Allendale, SC
Built 1945 Load: 29.5 t ADT: 2,800
SC 8
FairOver: PICKENS CREEK
9.5 MI NW WILLIAMSTON, Anderson, SC
Built 1957 Load: 29.5 t ADT: 3,900
SC 187
FairOver: BIG GENEROSTEE CREEK
11.3 MI SW OF ANDERSON, Anderson, SC
Built 1957 Load: 29.5 t ADT: 550
SC 252
FairOver: BLUE CREEK
2.5 MI W OF HONEA PATH, Anderson, SC
Built 1962 Load: 29.5 t ADT: 4,300
US 176
FairOver: SANDY RUN CREEK
15MI NW OF ST MATTHEWS, Calhoun, SC
Built 1930 Load: 29.5 t ADT: 4,100
SC 61
FairOver: MARSH
CHARLESTON, Charleston, SC
Built 1996 Load: 29.5 t ADT: 21,600
L-5556GREYMARSHRD
FairOver: TIDAL CREEK
IN MOUNT PLEASANT, Charleston, SC
Built 1999 Load: 29.5 t ADT: 600
US 17 ALT
FairOver: EDISTO RIVER
14MI S SUMR'VL, Dorchester, SC
Built 1972 Load: 29.5 t ADT: 10,600
SC 341
FairOver: LYNCHES LAKE (NO. 1)
5MI SE OF LAKE CITY, Florence, SC
Built 1957 Load: 29.5 t ADT: 2,400
SC 341
FairOver: LYNCHES LAKE (NO. 3)
2MI W OF JOHNSONVILLE, Florence, SC
Built 1957 Load: 29.5 t ADT: 2,600
US 701
FairOver: YAUHANNAH CREEK
17 MI N GEORGETOWN, Georgetown, SC
Built 1948 Load: 29.5 t ADT: 3,900
SC 261
FairOver: PENNY ROYAL CREEK
18 MI N GEORGETOWN, Georgetown, SC
Built 1948 Load: 29.5 t ADT: 1,000
US 501
FairOver: INTERCOASTAL WATERWAY
3.0 MI W OF MYRTLE BEACH, Horry, SC
Built 1982 Load: 29.5 t ADT: 60,700
SC 170/FREEDOM PKY
FairOver: CLYDESDALE CREEK
4.6MI S OF HARDEEVILLE, Jasper, SC
Built 1952 Load: 29.5 t ADT: 3,900
S-29-51
FairOver: UPPER CAMP CREEK
7.5MI NE LANCASTER, Lancaster, SC
Built 1925 Load: 29.5 t ADT: 650
US 521 SB
FairOver: TWELVE MILE CREEK
12.0 MI N OF LANCASTER, Lancaster, SC
Built 1928 Load: 29.5 t ADT: 10,250
S-30-42
FairOver: CSX RAILROAD
LAURENS CITY LIMITS, Laurens, SC
Built 1965 Load: 29.5 t ADT: 1,900
S-32-1448
FairOver: TRIB TO 12 MI CR
2 MI SW LEXINGTON, Lexington, SC
Built 1976 Load: 29.5 t ADT: 900
US 321
FairOver: BIG CEDAR CREEK
10 MI NW OF KILLIAN, Richland, SC
Built 1939 Load: 29.5 t ADT: 3,500
S-42-242
FairOver: MIDDLE TYGER RIVER
TOWN OF LYMAN, Spartanburg, SC
Built 1955 Load: 29.5 t ADT: 7,600
SC 296
FairOver: SOUTH TYGER RIVER
10.0 MI SW SPARTANBURG, Spartanburg, SC
Built 1958 Load: 29.5 t ADT: 10,400
C-42-366
FairOver: TRIBUTE LAWSON FORK CRK
5.0 N OF SPARTANBURG, Spartanburg, SC
Built 1960 Load: 29.5 t ADT: 250
Showing 2,351-2,400 of 5,396 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |