US Bridges

Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR

Fair

Lackawanna County, Pennsylvania · Moosic Borough · Structure no. 000000000020944

Built
1955
70 years old, rebuilt 1995
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
750 ft
5 main spans
Daily traffic
6,576
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR is a steel continuous girder and floorbeam system carrying Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR in Lackawanna County, Pennsylvania. It was built in 1955 and reconstructed in 1995, so it is 70 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 6,576 vehicles a day, roughly 16% of them trucks, projected to reach 14,041 by 2030. The structure is 750 ft (228.6 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPa Tpk (I-476)
CrossesLacka. Rv NS & Rbmn RR
LocationMoosic Borough
RouteInterstate 476
CountyLackawanna County
StatePennsylvania
Coordinates41.37512, -75.72032
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length750 ft (228.6 m)
Longest span170 ft (51.8 m)
Deck width61 ft (18.6 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,576 (2001)
Projected traffic14,041 by 2030
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad 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$4.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1995.

What condition is Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR 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 July 2023.

How much traffic does Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR carry?

About 6,576 vehicles per day (2001 count), of which roughly 16% are trucks.

How long is Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR?

The structure is 750 ft (228.6 m) long with a longest span of 170 ft (51.8 m) and a deck 61 ft wide.

Who owns Pa Tpk (I-476) over Lacka. Rv NS & Rbmn RR?

It is owned by the State Toll Authority.