Pa Tpk (I-76) over T-570
GoodDauphin County, Pennsylvania · Conewago Twp · Structure no. 000000000014626
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected March 2023
- Type
- Tee Beam
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 24,423
- 2001 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Pa Tpk (I-76) over T-570 is a concrete tee beam carrying Pa Tpk (I-76) over T-570 in Dauphin County, Pennsylvania. It was built in 1949, so it is 76 years old, older 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 24,423 vehicles a day, roughly 24% of them trucks, projected to reach 31,579 by 2030. The structure is 26 ft (7.9 m) long and 73 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pa Tpk (I-76) over T-570 built?
It was built in 1949, making it 76 years old in 2025.
What condition is Pa Tpk (I-76) over T-570 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 March 2023.
How much traffic does Pa Tpk (I-76) over T-570 carry?
About 24,423 vehicles per day (2001 count), of which roughly 24% are trucks.
How long is Pa Tpk (I-76) over T-570?
The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 73 ft wide.
Who owns Pa Tpk (I-76) over T-570?
It is owned by the State Toll Authority.