Dupont RD / SR100 over Delaware Valley RR
GoodNew Castle County, Delaware · Elsmere · Structure no. 1634 027
- Built
- 1959
- 66 years old, rebuilt 2019
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 8,279
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Dupont RD / SR100 over Delaware Valley RR is a steel stringer/multi-beam or girder carrying Dupont RD / SR100 over Delaware Valley RR in New Castle County, Delaware. It was built in 1959 and reconstructed in 2019, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,279 vehicles a day, roughly 6% of them trucks, projected to reach 9,063 by 2042. The structure is 182 ft (55.5 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dupont RD / SR100 over Delaware Valley RR built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2019.
What condition is Dupont RD / SR100 over Delaware Valley RR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.
How much traffic does Dupont RD / SR100 over Delaware Valley RR carry?
About 8,279 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Dupont RD / SR100 over Delaware Valley RR?
The structure is 182 ft (55.5 m) long with a longest span of 77 ft (23.5 m) and a deck 57 ft wide.
Who owns Dupont RD / SR100 over Delaware Valley RR?
It is owned by the State Highway Agency.