Silver Lake Rd. over Silver Lake Spillwy
GoodNew Castle County, Delaware · S.E. of Middletown · Structure no. 1407 442
- Built
- 1931
- 94 years old, rebuilt 1939
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 21 ft
- 1 main span
- Daily traffic
- 5,932
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Silver Lake Rd. over Silver Lake Spillwy is a steel stringer/multi-beam or girder carrying Silver Lake Rd. over Silver Lake Spillwy in New Castle County, Delaware. It was built in 1931 and reconstructed in 1939, so it is 94 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 5,932 vehicles a day, roughly 11% of them trucks, projected to reach 5,992 by 2042. The structure is 21 ft (6.4 m) long and 22 ft wide. If it were closed, the detour would be 2.5 mi (4 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. |
| 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 Silver Lake Rd. over Silver Lake Spillwy built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1939.
What condition is Silver Lake Rd. over Silver Lake Spillwy 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 August 2023.
How much traffic does Silver Lake Rd. over Silver Lake Spillwy carry?
About 5,932 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is Silver Lake Rd. over Silver Lake Spillwy?
The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.
Who owns Silver Lake Rd. over Silver Lake Spillwy?
It is owned by the State Highway Agency.