Pa 145 over Lehigh R.;norfolk Southe
GoodNorthampton County, Pennsylvania · Treichlers Bridge · Structure no. 000000000039624
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,213 ft
- 8 main spans
- Daily traffic
- 14,180
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Pa 145 over Lehigh R.;norfolk Southe is a prestressed concrete stringer/multi-beam or girder carrying Pa 145 over Lehigh R.;norfolk Southe in Northampton County, Pennsylvania. It was built in 1997, so it is 28 years old, younger than the Pennsylvania average of 54.8 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 14,180 vehicles a day, roughly 4% of them trucks, projected to reach 20,789 by 2032. The structure is 1,213 ft (369.7 m) long and 71 ft wide. If it were closed, the detour would be 26.1 mi (42 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pa 145 over Lehigh R.;norfolk Southe built?
It was built in 1997, making it 28 years old in 2025.
What condition is Pa 145 over Lehigh R.;norfolk Southe 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 August 2023.
How much traffic does Pa 145 over Lehigh R.;norfolk Southe carry?
About 14,180 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Pa 145 over Lehigh R.;norfolk Southe?
The structure is 1,213 ft (369.7 m) long with a longest span of 157 ft (47.9 m) and a deck 71 ft wide.
Who owns Pa 145 over Lehigh R.;norfolk Southe?
It is owned by the State Highway Agency.