US Bridges

Pa Tpk (I-76) over Swatara Cr. & T-496

Good

Dauphin County, Pennsylvania · W. of Toll House Rd. Int. · Structure no. 000000000054295

Built
2016
9 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
612 ft
4 main spans
Daily traffic
24,423
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Swatara Cr. & T-496 is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (I-76) over Swatara Cr. & T-496 in Dauphin County, Pennsylvania. It was built in 2016, so it is 9 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 24,423 vehicles a day, roughly 24% of them trucks, projected to reach 31,579 by 2030. The structure is 612 ft (186.5 m) long and 125 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSwatara Cr. & T-496
LocationW. of Toll House Rd. Int.
RouteInterstate 76
CountyDauphin County
StatePennsylvania
Coordinates40.20988, -76.71709
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length612 ft (186.5 m)
Longest span170 ft (51.8 m)
Deck width125 ft (38.2 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,423 (2001)
Projected traffic31,579 by 2030
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed8.1 mi (13 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over Swatara Cr. & T-496 built?

It was built in 2016, making it 9 years old in 2025.

What condition is Pa Tpk (I-76) over Swatara Cr. & T-496 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 Pa Tpk (I-76) over Swatara Cr. & T-496 carry?

About 24,423 vehicles per day (2001 count), of which roughly 24% are trucks.

How long is Pa Tpk (I-76) over Swatara Cr. & T-496?

The structure is 612 ft (186.5 m) long with a longest span of 170 ft (51.8 m) and a deck 125 ft wide.

Who owns Pa Tpk (I-76) over Swatara Cr. & T-496?

It is owned by the State Toll Authority.