I-78 (lr 1045) over Pa 309(LR 781 Sb)
GoodLehigh County, Pennsylvania · Over Pa 309(LR 781) · Structure no. 000000000023024
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 223 ft
- 3 main spans
- Daily traffic
- 32,735
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 (lr 1045) over Pa 309(LR 781 Sb) is a prestressed concrete stringer/multi-beam or girder carrying I-78 (lr 1045) over Pa 309(LR 781 Sb) in Lehigh County, Pennsylvania. It was built in 1989, so it is 36 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 32,735 vehicles a day, roughly 33% of them trucks, projected to reach 50,539 by 2032. The structure is 223 ft (68 m) long and 101 ft wide. If it were closed, the detour would be 5 mi (8 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-78 (lr 1045) over Pa 309(LR 781 Sb) built?
It was built in 1989, making it 36 years old in 2025.
What condition is I-78 (lr 1045) over Pa 309(LR 781 Sb) 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 February 2023.
How much traffic does I-78 (lr 1045) over Pa 309(LR 781 Sb) carry?
About 32,735 vehicles per day (2024 count), of which roughly 33% are trucks.
How long is I-78 (lr 1045) over Pa 309(LR 781 Sb)?
The structure is 223 ft (68 m) long with a longest span of 119 ft (36.3 m) and a deck 101 ft wide.
Who owns I-78 (lr 1045) over Pa 309(LR 781 Sb)?
It is owned by the State Highway Agency.