US Bridges

Pa Tpk (I-76) over Conrail(aband.)

Good

Lebanon County, Pennsylvania · South Londonderry Twp · Structure no. 000000000022826

Built
1949
76 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
29,582
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Conrail(aband.) is a concrete tee beam carrying Pa Tpk (I-76) over Conrail(aband.) in Lebanon 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 29,582 vehicles a day, roughly 24% of them trucks, projected to reach 31,579 by 2030. The structure is 35 ft (10.7 m) long and 73 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesConrail(aband.)
LocationSouth Londonderry Twp
RouteInterstate 76
CountyLebanon County
StatePennsylvania
Coordinates40.21003, -76.55007
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width73 ft (22.3 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,582 (2001)
Projected traffic31,579 by 2030
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$253,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over Conrail(aband.) built?

It was built in 1949, making it 76 years old in 2025.

What condition is Pa Tpk (I-76) over Conrail(aband.) 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 Conrail(aband.) carry?

About 29,582 vehicles per day (2001 count), of which roughly 24% are trucks.

How long is Pa Tpk (I-76) over Conrail(aband.)?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 73 ft wide.

Who owns Pa Tpk (I-76) over Conrail(aband.)?

It is owned by the State Toll Authority.