US Bridges

Pa 163;MASON Dixon over I-81; SR 0081

Fair

Franklin County, Pennsylvania · Mason Dixon Line · Structure no. 000000000017400

Built
1960
65 years old, rebuilt 1983
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
310 ft
2 main spans
Daily traffic
2,282
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 163;MASON Dixon over I-81; SR 0081 is a steel continuous stringer/multi-beam or girder carrying Pa 163;MASON Dixon over I-81; SR 0081 in Franklin County, Pennsylvania. It was built in 1960 and reconstructed in 1983, so it is 65 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 5 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 2,282 vehicles a day, roughly 7% of them trucks, projected to reach 3,496 by 2032. The structure is 310 ft (94.5 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesPa 163;MASON Dixon
CrossesI-81; SR 0081
LocationMason Dixon Line
RouteState Highway 163
CountyFranklin County
StatePennsylvania
Coordinates39.72124, -77.7325
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span103 ft (31.4 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,282 (2024)
Projected traffic3,496 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$260,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 163;MASON Dixon over I-81; SR 0081 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1983.

What condition is Pa 163;MASON Dixon over I-81; SR 0081 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 February 2024.

How much traffic does Pa 163;MASON Dixon over I-81; SR 0081 carry?

About 2,282 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pa 163;MASON Dixon over I-81; SR 0081?

The structure is 310 ft (94.5 m) long with a longest span of 103 ft (31.4 m) and a deck 38 ft wide.

Who owns Pa 163;MASON Dixon over I-81; SR 0081?

It is owned by the State Highway Agency.