US421 SR1140 over Grnfd. Lake Spillway
GoodNew Hanover County, North Carolina · 0.8 MI.S.JCT.US17 North · Structure no. 000000001290028
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 3 main spans
- Daily traffic
- 35,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US421 SR1140 over Grnfd. Lake Spillway is a concrete continuous culvert carrying US421 SR1140 over Grnfd. Lake Spillway in New Hanover County, North Carolina. It was built in 2018, so it is 7 years old, younger than the North Carolina average of 38.7 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 35,000 vehicles a day, roughly 12% of them trucks, projected to reach 70,000 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US421 SR1140 over Grnfd. Lake Spillway built?
It was built in 2018, making it 7 years old in 2025.
What condition is US421 SR1140 over Grnfd. 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 April 2024.
How much traffic does US421 SR1140 over Grnfd. Lake Spillway carry?
About 35,000 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is US421 SR1140 over Grnfd. Lake Spillway?
The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).
Who owns US421 SR1140 over Grnfd. Lake Spillway?
It is owned by the State Highway Agency.