US Bridges

Pa Tpk (ramp Ab) over Pa Tpk (I-76)

Good

Dauphin County, Pennsylvania · Lower Swatara Twp · Structure no. 000000000046564

Built
2007
18 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
173 ft
2 main spans
Daily traffic
11,974
2010 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (ramp Ab) over Pa Tpk (I-76) is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (ramp Ab) over Pa Tpk (I-76) in Dauphin County, Pennsylvania. It was built in 2007, so it is 18 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 11,974 vehicles a day, roughly 14% of them trucks, projected to reach 15,427 by 2030. The structure is 173 ft (52.7 m) long and 72 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPa Tpk (ramp Ab)
CrossesPa Tpk (I-76)
LocationLower Swatara Twp
RouteInterstate 76
Coordinates40.215, -76.78622
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length173 ft (52.7 m)
Longest span84 ft (25.6 m)
Deck width72 ft (21.9 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,974 (2010)
Projected traffic15,427 by 2030
Trucks14%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (ramp Ab) over Pa Tpk (I-76) built?

It was built in 2007, making it 18 years old in 2025.

What condition is Pa Tpk (ramp Ab) over Pa Tpk (I-76) 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 (ramp Ab) over Pa Tpk (I-76) carry?

About 11,974 vehicles per day (2010 count), of which roughly 14% are trucks.

How long is Pa Tpk (ramp Ab) over Pa Tpk (I-76)?

The structure is 173 ft (52.7 m) long with a longest span of 84 ft (25.6 m) and a deck 72 ft wide.

Who owns Pa Tpk (ramp Ab) over Pa Tpk (I-76)?

It is owned by the State Toll Authority.