Darley RD over Naamans Creek
FairNew Castle County, Delaware · West of Naamans · Structure no. 1055 207
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 7,109
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Darley RD over Naamans Creek is a prestressed concrete box beam or girders - multiple carrying Darley RD over Naamans Creek in New Castle County, Delaware. It was built in 1959, so it is 66 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 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 7,109 vehicles a day, roughly 7% of them trucks, projected to reach 9,697 by 2042. The structure is 45 ft (13.7 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Darley RD over Naamans Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is Darley RD over Naamans Creek 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 February 2024.
How much traffic does Darley RD over Naamans Creek carry?
About 7,109 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Darley RD over Naamans Creek?
The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.7 m) and a deck 54 ft wide.
Who owns Darley RD over Naamans Creek?
It is owned by the State Highway Agency.