Wilmington RD over Narrow Dyke Canal
FairNew Castle County, Delaware · New Castle · Structure no. 1289 019
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected April 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 59 ft
- 1 main span
- Daily traffic
- 836
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Wilmington RD over Narrow Dyke Canal is a prestressed concrete box beam or girders - multiple carrying Wilmington RD over Narrow Dyke Canal in New Castle County, Delaware. It was built in 1979, so it is 46 years old, younger 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 6 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 836 vehicles a day, roughly 8% of them trucks, projected to reach 1,039 by 2042. The structure is 59 ft (18 m) long and 43 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wilmington RD over Narrow Dyke Canal built?
It was built in 1979, making it 46 years old in 2025.
What condition is Wilmington RD over Narrow Dyke Canal 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 April 2021.
How much traffic does Wilmington RD over Narrow Dyke Canal carry?
About 836 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Wilmington RD over Narrow Dyke Canal?
The structure is 59 ft (18 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.
Who owns Wilmington RD over Narrow Dyke Canal?
It is owned by the State Highway Agency.