US 1 SB over Northwest Branch
FairPrince George's County, Maryland · 0.68 Mile North of Md 208 · Structure no. 100000160005012
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 77 ft
- 1 main span
- Daily traffic
- 9,008
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
US 1 SB over Northwest Branch is a steel stringer/multi-beam or girder carrying US 1 SB over Northwest Branch in Prince George's County, Maryland. It was built in 1969, so it is 56 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 9,008 vehicles a day, roughly 8% of them trucks, projected to reach 12,161 by 2032. The structure is 77 ft (23.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 7 Good | Some minor problems. |
| 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 US 1 SB over Northwest Branch built?
It was built in 1969, making it 56 years old in 2025.
What condition is US 1 SB over Northwest Branch 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 July 2023.
How much traffic does US 1 SB over Northwest Branch carry?
About 9,008 vehicles per day (2012 count), of which roughly 8% are trucks.
How long is US 1 SB over Northwest Branch?
The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 43 ft wide.
Who owns US 1 SB over Northwest Branch?
It is owned by the State Highway Agency.