US Bridges

Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248

Good

Carbon County, Pennsylvania · Parryville Boro · Structure no. 000000000047428

Built
2012
13 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,539 ft
10 main spans
Daily traffic
24,228
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248 is a prestressed concrete continuous stringer/multi-beam or girder carrying Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248 in Carbon County, Pennsylvania. It was built in 2012, so it is 13 years old, younger 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 24,228 vehicles a day, roughly 20% of them trucks, projected to reach 32,159 by 2030. The structure is 1,539 ft (469.1 m) long and 46 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesPa Tpk (I-476 Nb)
CrossesLvrr Lehigh R Pa 248
LocationParryville Boro
RouteInterstate 476
Coordinates40.81658, -75.67581
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length1,539 ft (469.1 m)
Longest span168 ft (51.2 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,228 (2004)
Projected traffic32,159 by 2030
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed24.9 mi (40 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248 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 September 2022.

How much traffic does Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248 carry?

About 24,228 vehicles per day (2004 count), of which roughly 20% are trucks.

How long is Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248?

The structure is 1,539 ft (469.1 m) long with a longest span of 168 ft (51.2 m) and a deck 46 ft wide.

Who owns Pa Tpk (I-476 Nb) over Lvrr Lehigh R Pa 248?

It is owned by the State Toll Authority.