US Bridges

Pa Tpk (I-76) over T-560 Conocoche CR

Good

Franklin County, Pennsylvania · Metal Twp · Structure no. 000000000017619

Built
1939
86 years old, rebuilt 2001
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
1 main span
Daily traffic
21,433
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over T-560 Conocoche CR is a steel stringer/multi-beam or girder carrying Pa Tpk (I-76) over T-560 Conocoche CR in Franklin County, Pennsylvania. It was built in 1939 and reconstructed in 2001, so it is 86 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 21,433 vehicles a day, roughly 38% of them trucks, projected to reach 24,099 by 2030. The structure is 114 ft (34.7 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesT-560 Conocoche CR
LocationMetal Twp
RouteInterstate 76
CountyFranklin County
StatePennsylvania
Coordinates40.11948, -77.77703
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length114 ft (34.7 m)
Longest span112 ft (34.1 m)
Deck width86 ft (26.1 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,433 (2001)
Projected traffic24,099 by 2030
Trucks38%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over T-560 Conocoche CR built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2001.

What condition is Pa Tpk (I-76) over T-560 Conocoche CR 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 December 2022.

How much traffic does Pa Tpk (I-76) over T-560 Conocoche CR carry?

About 21,433 vehicles per day (2001 count), of which roughly 38% are trucks.

How long is Pa Tpk (I-76) over T-560 Conocoche CR?

The structure is 114 ft (34.7 m) long with a longest span of 112 ft (34.1 m) and a deck 86 ft wide.

Who owns Pa Tpk (I-76) over T-560 Conocoche CR?

It is owned by the State Toll Authority.