Knapp RD over Norfolk Southern RR
PoorLackawanna County, Pennsylvania · 1000 Ft SW of US 6 · Structure no. 000000000020925
- Built
- 1987
- 38 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 403 ft
- 4 main spans
- Daily traffic
- 1,400
- 2012 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Knapp RD over Norfolk Southern RR is a prestressed concrete stringer/multi-beam or girder carrying Knapp RD over Norfolk Southern RR in Lackawanna County, Pennsylvania. It was built in 1987, so it is 38 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,400 vehicles a day, roughly 1% of them trucks, projected to reach 1,875 by 2032. The structure is 403 ft (122.8 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Knapp RD over Norfolk Southern RR built?
It was built in 1987, making it 38 years old in 2025.
What condition is Knapp RD over Norfolk Southern RR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does Knapp RD over Norfolk Southern RR carry?
About 1,400 vehicles per day (2012 count), of which roughly 1% are trucks.
How long is Knapp RD over Norfolk Southern RR?
The structure is 403 ft (122.8 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.
Who owns Knapp RD over Norfolk Southern RR?
It is owned by the Town or Township Highway Agency.