Historic Bridges in Delaware
122 bridges built before 1951 in Delaware still in service today.
Bridges Built Before 1951
The United States has 122 bridges in Delaware built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| BRANDYWINE CREEK | Delaware | Fair | 1928 | 98 | 2,103 |
| WHITE CLAY CREEK | Delaware | Good | 1928 | 98 | 3,582 |
| APPOQUINIMINK RIVER | Delaware | Fair | 1928 | 98 | 3,582 |
| BRANDYWINE CREEK | Delaware | Fair | 1928 | 98 | 12,035 |
| MARSHYHOPE CREEK | Delaware | Fair | 1928 | 98 | 85 |
| RED CLAY CREEK | Delaware | Fair | 1929 | 97 | 4,402 |
| LEIPSIC RIVER | Delaware | Fair | 1929 | 97 | 13,623 |
| MISPILLION RIVER | Delaware | Fair | 1929 | 97 | 8,098 |
| NANTICOKE RIVER | Delaware | Fair | 1930 | 96 | 931 |
| RED CLAY CREEK | Delaware | Fair | 1931 | 95 | 10,072 |
| LITTLE MILL CREEK | Delaware | Fair | 1931 | 95 | 17,909 |
| SILVER LAKE SPILLWY | Delaware | Good | 1931 | 95 | 5,932 |
| MARSHYHOPE DITCH | Delaware | Good | 1931 | 95 | 1,923 |
| SLAUGHTER CREEK | Delaware | Poor | 1931 | 95 | 78 |
| HUSBANDS RUN | Delaware | Fair | 1932 | 94 | 4,296 |
| BRANDYWINE RIVER | Delaware | Fair | 1932 | 94 | 16,007 |
| MORRIS MILL POND | Delaware | Fair | 1932 | 94 | 6,149 |
| CLENDANIEL POND | Delaware | Fair | 1932 | 94 | 1,276 |
| BRANDYWINE CREEK | Delaware | Fair | 1933 | 93 | 4,319 |
| WILSON RUN | Delaware | Fair | 1933 | 93 | 4,319 |
| DRAWYERS CREEK | Delaware | Fair | 1933 | 93 | 28,234 |
| PAW PAW BRANCH | Delaware | Fair | 1933 | 93 | 951 |
| BLACKBIRD CREEK | Delaware | Fair | 1933 | 93 | 11,021 |
| MASSEYS POND/LEIPSIC RIV | Delaware | Fair | 1933 | 93 | 1,602 |
| MISPILLION RIVER | Delaware | Good | 1933 | 93 | 99 |
| DEEP CREEK | Delaware | Fair | 1933 | 93 | 3,325 |
| SHELLPOT CREEK | Delaware | Fair | 1934 | 92 | 1,896 |
| STONEY CREEK | Delaware | Good | 1934 | 92 | 5,255 |
| SHELLPOT CREEK | Delaware | Fair | 1934 | 92 | 9,626 |
| LITTLE DUCK CREEK | Delaware | Fair | 1934 | 92 | 13,624 |
| ST. JONES RIVER | Delaware | Fair | 1934 | 92 | 7,666 |
| CAHOON BROOK | Delaware | Good | 1934 | 92 | 6,553 |
| FORK BRANCH | Delaware | Good | 1934 | 92 | 5,372 |
| GRAVELLY BRANCH | Delaware | Fair | 1934 | 92 | 2,950 |
| BARLOW BRANCH | Delaware | Fair | 1935 | 91 | 2,266 |
| HOLLYOAK CREEK | Delaware | Fair | 1935 | 91 | 4,867 |
| HYDE RUN | Delaware | Fair | 1936 | 90 | 13,392 |
| CATTAIL BRANCH | Delaware | Fair | 1936 | 90 | 7,273 |
| AMTRAK & CONRAIL | Delaware | Fair | 1936 | 90 | 16,840 |
| NANTICOKE RIVER | Delaware | Fair | 1936 | 90 | 9,027 |
| CHRISTINA RIVER | Delaware | Fair | 1937 | 89 | 4,121 |
| SILVER LAKE | Delaware | Fair | 1937 | 89 | 13,072 |
| NORFOLK SOUTHERN | Delaware | Fair | 1938 | 88 | 25,312 |
| SILVER LAKE | Delaware | Fair | 1938 | 88 | 6,130 |
| BARROWS RUN | Delaware | Fair | 1939 | 87 | 1,067 |
| RED CLAY CREEK | Delaware | Fair | 1939 | 87 | 2,428 |
| CHESTNUT RUN | Delaware | Good | 1939 | 87 | 29,701 |
| LITTLE MILL CREEK | Delaware | Good | 1939 | 87 | 27,573 |
| SILVER LAKE SPILLWAY | Delaware | Good | 1939 | 87 | 5,932 |
| BURTON PRONG | Delaware | Good | 1939 | 87 | 18,035 |
About Historic Bridge Data
Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.