US Bridges

Pa Tpk (I-476) over T-599 Huckleberry RD

Good

Lehigh County, Pennsylvania · 2MI N of L V Interchange · Structure no. 000000000069534

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
30,563
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over T-599 Huckleberry RD is a steel stringer/multi-beam or girder carrying Pa Tpk (I-476) over T-599 Huckleberry RD in Lehigh County, Pennsylvania. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,563 vehicles a day, roughly 16% of them trucks, projected to reach 39,946 by 2030. The structure is 83 ft (25.3 m) long and 79 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesPa Tpk (I-476)
CrossesT-599 Huckleberry RD
Location2MI N of L V Interchange
RouteInterstate 476
CountyLehigh County
StatePennsylvania
Coordinates40.61958, -75.57725
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width79 ft (24.2 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,563 (2004)
Projected traffic39,946 by 2030
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-476) over T-599 Huckleberry RD built?

It was built in 2022, making it 3 years old in 2025.

What condition is Pa Tpk (I-476) over T-599 Huckleberry RD 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 October 2024.

How much traffic does Pa Tpk (I-476) over T-599 Huckleberry RD carry?

About 30,563 vehicles per day (2004 count), of which roughly 16% are trucks.

How long is Pa Tpk (I-476) over T-599 Huckleberry RD?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 79 ft wide.

Who owns Pa Tpk (I-476) over T-599 Huckleberry RD?

It is owned by the State Toll Authority.