Delaware bridges
Delaware reports 874 bridges and culverts across 3 counties. 10 (1.1%) are rated in poor condition, and 24 are posted with load limits or closed. The oldest structure still in the inventory dates from 1839.
Find a bridge in Delaware
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Counties
Circle size reflects the number of bridges- Kent County 192
- New Castle County 528
- Sussex County 154
Condition
Good43%(376)
Fair56%(488)
Poor1%(10)
Counties with the highest share of poor bridges
- Sussex County1.9% of 154
- Kent County1.0% of 192
- New Castle County0.9% of 528
Structure types
| Structure type | Bridges | Share |
|---|---|---|
| Stringer/Multi-beam or Girder | 406 | 46.5% |
| Culvert | 201 | 23.0% |
| Box Beam or Girders - Multiple | 115 | 13.2% |
| Slab | 72 | 8.2% |
| Arch - Deck | 23 | 2.6% |
| Box Beam or Girders - Single or Spread | 22 | 2.5% |
| Truss - Thru | 7 | 0.8% |
| Movable - Bascule | 7 | 0.8% |
| Tee Beam | 5 | 0.6% |
| Girder and Floorbeam System | 5 | 0.6% |
| Suspension | 2 | 0.2% |
| Stayed Girder | 2 | 0.2% |
| Movable - Lift | 2 | 0.2% |
| Frame | 2 | 0.2% |
| Arch - Thru | 1 | 0.1% |
| Movable - Swing | 1 | 0.1% |
| Truss - Deck | 1 | 0.1% |
When Delaware's bridges were built
Busiest
- I95 / Jfk Mem Hgwy over Norfolk SouthernFairNew Castle County · 117,657 vehicles/day
- I 95 NB over Christina CreekFairNew Castle County · 109,932 vehicles/day
- I 95 SB over Christina CreekFairNew Castle County · 109,932 vehicles/day
- I95SB/JFK Mem Hgwy over SR1/KOREAN War Vet MemFairNew Castle County · 103,953 vehicles/day
- I 95 NB over SR1/KOREAN War Vet MemFairNew Castle County · 103,953 vehicles/day
Longest
- I 295 S & US 40 W over Delaware RiverFairNew Castle County · 10,796 ft
- I 295 N & US 40 E over Delaware RiverFairNew Castle County · 10,796 ft
- Delaware Rt. 9 over C&d CanalPoorNew Castle County · 8,432 ft
- I 495 over Christina River N/S RRFairNew Castle County · 4,804 ft
- Korean War Vet Mem over C&d Canal Rd. 412FairNew Castle County · 4,650 ft
Oldest
- Smith Bridge RD over Brandywine CreekFairNew Castle County · Built 1839
- Brackenville RD over Mill CreekGoodNew Castle County · Built 1846
- Barley Mill Rd. over Red Clay CreekFairNew Castle County · Built 1850
- Division St. / SR8 over St. Jones RiverFairKent County · Built 1885
- S.W. Front ST over Mispillion RiverFairKent County · Built 1900
Newest
- Seashore HWY over Bridgeville Branch DitchGoodSussex County · Built 2024
- James St. over Christina RiverGoodNew Castle County · Built 2024
- Caldwell Corner RD over Trib Sassafras RiverGoodNew Castle County · Built 2024
- Private/Park Road over Red Clay CreekGoodNew Castle County · Built 2024
- Tuxward Rd. over Tappahanna DitchGoodKent County · Built 2023
Who owns Delaware's bridges
| State | 844 | 96.6% |
| Toll Authority | 14 | 1.6% |
| City | 12 | 1.4% |
| Federal | 4 | 0.5% |
More Delaware facts
Total bridge length37 miles
Total deck area11,076,699 sq ft
Culverts counted as bridges201 (23%)
On the National Highway System340
Posted with load limits22
Closed to traffic2
Listed or eligible for the National Register52
Average daily traffic per bridge13,888 vehicles
Newest structure2024