Md 450 over North River
GoodAnne Arundel County, Maryland · 2.89 Mile East of Md 424 · Structure no. 100000020073030
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected December 2024
- Type
- Culvert
- Steel
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 6,927
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Md 450 over North River is a steel culvert carrying Md 450 over North River in Anne Arundel County, Maryland. It was built in 1989, so it is 36 years old, younger than the Maryland average of 52.6 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 6,927 vehicles a day, roughly 8% of them trucks, projected to reach 8,383 by 2038. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 5 mi (8 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 Md 450 over North River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Md 450 over North River 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 December 2024.
How much traffic does Md 450 over North River carry?
About 6,927 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is Md 450 over North River?
The structure is 45 ft (13.8 m) long with a longest span of 16 ft (4.9 m).
Who owns Md 450 over North River?
It is owned by the State Highway Agency.