US Bridges

Pa Tpk (I-76) over SR 641

Fair

Franklin County, Pennsylvania · Fannett Twp · Structure no. 000000000017620

Built
1939
86 years old, rebuilt 1994
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
21,433
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR 641 is a steel stringer/multi-beam or girder carrying Pa Tpk (I-76) over SR 641 in Franklin County, Pennsylvania. It was built in 1939 and reconstructed in 1994, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21,433 vehicles a day, roughly 38% of them trucks, projected to reach 24,099 by 2030. The structure is 41 ft (12.5 m) long and 86 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSR 641
LocationFannett Twp
RouteInterstate 76
CountyFranklin County
StatePennsylvania
Coordinates40.12394, -77.76186
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 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
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$215,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over SR 641 built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1994.

What condition is Pa Tpk (I-76) over SR 641 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2022.

How much traffic does Pa Tpk (I-76) over SR 641 carry?

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

How long is Pa Tpk (I-76) over SR 641?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 86 ft wide.

Who owns Pa Tpk (I-76) over SR 641?

It is owned by the State Toll Authority.