Seashore HY/SR18 over Nanticoke River
FairSussex County, Delaware · East of Bridgeville · Structure no. 3232 018
- Built
- 1920
- 105 years old, rebuilt 1962
- Condition
- Fair
- inspected August 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 70 ft
- 2 main spans
- Daily traffic
- 11,140
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Seashore HY/SR18 over Nanticoke River is a concrete continuous tee beam carrying Seashore HY/SR18 over Nanticoke River in Sussex County, Delaware. It was built in 1920 and reconstructed in 1962, so it is 105 years old, older than the Delaware average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,140 vehicles a day, roughly 14% of them trucks, projected to reach 11,175 by 2042. The structure is 70 ft (21.3 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Seashore HY/SR18 over Nanticoke River built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1962.
What condition is Seashore HY/SR18 over Nanticoke River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does Seashore HY/SR18 over Nanticoke River carry?
About 11,140 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is Seashore HY/SR18 over Nanticoke River?
The structure is 70 ft (21.3 m) long with a longest span of 33 ft (10.2 m) and a deck 49 ft wide.
Who owns Seashore HY/SR18 over Nanticoke River?
It is owned by the State Highway Agency.