Md Route 450 over Bw Parkway
FairPrince George's County, Maryland · 0.3 Miles North of Md Rou · Structure no. 3530016P0000000
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected April 2024
- Type
- Frame
- Concrete Continuous
- Length
- 126 ft
- 2 main spans
- Daily traffic
- 35,000
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Md Route 450 over Bw Parkway is a concrete continuous frame carrying Md Route 450 over Bw Parkway in Prince George's County, Maryland. It was built in 1953, so it is 72 years old, older than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 35,000 vehicles a day, roughly 1% of them trucks, projected to reach 43,000 by 2042. The structure is 126 ft (38.5 m) long and 84 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Md Route 450 over Bw Parkway built?
It was built in 1953, making it 72 years old in 2025.
What condition is Md Route 450 over Bw Parkway in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does Md Route 450 over Bw Parkway carry?
About 35,000 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Md Route 450 over Bw Parkway?
The structure is 126 ft (38.5 m) long with a longest span of 56 ft (17.1 m) and a deck 84 ft wide.
Who owns Md Route 450 over Bw Parkway?
It is owned by the National Park Service.