I-78 Eb; SR 0078 over T-510 (blue Mtn Rd)
FairLebanon County, Pennsylvania · 1.5 W.Of County Line · Structure no. 000000000022634
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 83 ft
- 3 main spans
- Daily traffic
- 14,787
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 Eb; SR 0078 over T-510 (blue Mtn Rd) is a concrete continuous slab carrying I-78 Eb; SR 0078 over T-510 (blue Mtn Rd) 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 14,787 vehicles a day, roughly 44% of them trucks, projected to reach 23,680 by 2032. The structure is 83 ft (25.3 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 Eb; SR 0078 over T-510 (blue Mtn Rd) built?
It was built in 1969, making it 56 years old in 2025.
What condition is I-78 Eb; SR 0078 over T-510 (blue Mtn Rd) 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 Eb; SR 0078 over T-510 (blue Mtn Rd) carry?
About 14,787 vehicles per day (2024 count), of which roughly 44% are trucks.
How long is I-78 Eb; SR 0078 over T-510 (blue Mtn Rd)?
The structure is 83 ft (25.3 m) long with a longest span of 33 ft (10.1 m) and a deck 44 ft wide.
Who owns I-78 Eb; SR 0078 over T-510 (blue Mtn Rd)?
It is owned by the State Highway Agency.