US Bridges

SR 1002 LR443 over Pa Tpk (I-476)

Fair

Lehigh County, Pennsylvania · Lehigh Valley Interchange · Structure no. 000000000023553

Built
1955
70 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
3 main spans
Daily traffic
19,619
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 1002 LR443 over Pa Tpk (I-476) is a steel continuous stringer/multi-beam or girder carrying SR 1002 LR443 over Pa Tpk (I-476) in Lehigh County, Pennsylvania. It was built in 1955, 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 19,619 vehicles a day, roughly 4% of them trucks, projected to reach 24,902 by 2030. The structure is 218 ft (66.4 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 1002 LR443
CrossesPa Tpk (I-476)
LocationLehigh Valley Interchange
RouteState Highway 0
CountyLehigh County
StatePennsylvania
Coordinates40.59031, -75.56527
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span104 ft (31.7 m)
Deck width74 ft (22.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,619 (2024)
Projected traffic24,902 by 2030
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1002 LR443 over Pa Tpk (I-476) built?

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

What condition is SR 1002 LR443 over Pa Tpk (I-476) 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 August 2023.

How much traffic does SR 1002 LR443 over Pa Tpk (I-476) carry?

About 19,619 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 1002 LR443 over Pa Tpk (I-476)?

The structure is 218 ft (66.4 m) long with a longest span of 104 ft (31.7 m) and a deck 74 ft wide.

Who owns SR 1002 LR443 over Pa Tpk (I-476)?

It is owned by the State Toll Authority.