National Park Driv over Slateford Creek
FairNorthampton County, Pennsylvania · 7 Miles East of Us. Route · Structure no. 4320001P0000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 105 ft
- 1 main span
- Daily traffic
- 155
- 2011 count
- Owner
- Federal
- National Park Service
About this bridge
National Park Driv over Slateford Creek is a prestressed concrete stringer/multi-beam or girder carrying National Park Driv over Slateford Creek in Northampton County, Pennsylvania. It was built in 1972, so it is 53 years old, younger than the Pennsylvania average of 54.8 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 155 vehicles a day, roughly 16% of them trucks, projected to reach 186 by 2031. The structure is 105 ft (32.1 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was National Park Driv over Slateford Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is National Park Driv over Slateford Creek 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 January 2024.
How much traffic does National Park Driv over Slateford Creek carry?
About 155 vehicles per day (2011 count), of which roughly 16% are trucks.
How long is National Park Driv over Slateford Creek?
The structure is 105 ft (32.1 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.
Who owns National Park Driv over Slateford Creek?
It is owned by the National Park Service.