Bridge Safety in South Carolina
9,504 bridges — 602 Poor condition — avg age 48 years.
Bridge Inventory
| Total Bridges | 9,504 |
| Good Condition | 3,568 |
| Fair Condition | 5,334 |
| Poor Condition | 602 |
| Oldest Bridge | Built 1910 |
| Average Age | 48 years |
Condition Summary
| % Good | 37.5% |
| % Fair | 56.1% |
| % Poor | 6.3% |
Highest-Traffic Poor Condition Bridges in South Carolina
Poor condition bridges sorted by daily traffic — the most urgent safety concerns.
| Bridge | Condition | Year Built | ADT | Length |
|---|---|---|---|---|
| TRIB LAUREL CRK | Poor | 1960 | 113,800 | — |
| RR CSXT | Poor | 1963 | 94,100 | — |
| WACCAMAW RIVER | Poor | 1958 | 56,800 | — |
| U.S.701 | Poor | 1958 | 56,800 | — |
| ASHLEY RIVER | Poor | 1953 | 47,800 | — |
| MOUNTAIN CREEK | Poor | 1939 | 47,300 | — |
| ENOREE RIVER | Poor | 1939 | 47,300 | — |
| CANNONS CREEK | Poor | 1960 | 42,700 | — |
| P AND N RR. | Poor | 1934 | 41,300 | — |
| I-26 | Poor | 1961 | 39,100 | — |
| CRABTREE SWAMP | Poor | 1948 | 38,600 | — |
| ASHLEY RIVER | Poor | 1961 | 38,250 | — |
| SHEM CREEK | Poor | 1947 | 37,500 | — |
| C-23-75/60736071 | Poor | 1960 | 37,200 | — |
| US 21 | Poor | 1976 | 36,350 | — |
| HOPE SWAMP | Poor | 1967 | 33,200 | — |
| I-77 | Poor | 1977 | 31,000 | — |
| L-3199/REEDY RIVER | Poor | 1968 | 30,600 | — |
| REEDY RIVER | Poor | 1959 | 30,500 | — |
| COOPER RIVER | Poor | 1944 | 29,000 | — |
Oldest Bridges in South Carolina
| Bridge | Condition | Year Built | Age | ADT |
|---|---|---|---|---|
| BR OF CONGAREE RIVER | Fair | 1910 | 116 yrs | 6,600 |
| ROCKY BRANCH | Fair | 1910 | 116 yrs | 225 |
| TRIB TO REEDY RIVER | Fair | 1910 | 116 yrs | 2,300 |
| REEDY RIVER | Good | 1910 | 116 yrs | 5,200 |
| HUFF CREEK | Fair | 1912 | 114 yrs | 1,950 |
| ROCKY BRANCH | Fair | 1912 | 114 yrs | 6,300 |
| CSXT RR | Poor | 1913 | 113 yrs | 3,500 |
| BEAVERDAM CK OVERFLOW | Fair | 1915 | 111 yrs | 7,000 |
| VISTA GREENWAY | Fair | 1915 | 111 yrs | 1,950 |
| VISTA GREENWAY | Fair | 1915 | 111 yrs | 375 |
Bridge Safety in South Carolina
Bridge condition data for South Carolina comes from the FHWA National Bridge Inventory. All publicly accessible bridges with a span over 20 feet are inspected at least every 24 months by certified bridge inspectors.