I-78 Wb; SR 0078 over T-510
FairLebanon County, Pennsylvania · 1 Mi.W. of Exit #1 · Structure no. 000000000022635
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 84 ft
- 3 main spans
- Daily traffic
- 16,111
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 Wb; SR 0078 over T-510 is a concrete continuous slab carrying I-78 Wb; SR 0078 over T-510 in Lebanon County, Pennsylvania. It was built in 1969, so it is 56 years old, older 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 16,111 vehicles a day, roughly 41% of them trucks, projected to reach 21,831 by 2032. The structure is 84 ft (25.6 m) long and 44 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-78 Wb; SR 0078 over T-510 built?
It was built in 1969, making it 56 years old in 2025.
What condition is I-78 Wb; SR 0078 over T-510 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 September 2023.
How much traffic does I-78 Wb; SR 0078 over T-510 carry?
About 16,111 vehicles per day (2024 count), of which roughly 41% are trucks.
How long is I-78 Wb; SR 0078 over T-510?
The structure is 84 ft (25.6 m) long with a longest span of 33 ft (10.1 m) and a deck 44 ft wide.
Who owns I-78 Wb; SR 0078 over T-510?
It is owned by the State Highway Agency.