Silver Lake Rd. over Silver Lake Spillway
GoodNew Castle County, Delaware · S.E. of Middletown · Structure no. 1504 442
- Built
- 1939
- 86 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 5,932
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Silver Lake Rd. over Silver Lake Spillway is a concrete slab carrying Silver Lake Rd. over Silver Lake Spillway in New Castle County, Delaware. It was built in 1939, so it is 86 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 26 ft (7.8 m) long and 27 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silver Lake Rd. over Silver Lake Spillway built?
It was built in 1939, making it 86 years old in 2025.
What condition is Silver Lake Rd. over Silver Lake Spillway 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 Spillway carry?
About 5,932 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is Silver Lake Rd. over Silver Lake Spillway?
The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.
Who owns Silver Lake Rd. over Silver Lake Spillway?
It is owned by the State Highway Agency.