US Bridges

SR 4024 Lr 39119 over Pa Tpk (I-476)

Fair

Lehigh County, Pennsylvania · Near Lehigh Valley Tunnel · Structure no. 000000000023575

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
3,454
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 4024 Lr 39119 over Pa Tpk (I-476) is a steel stringer/multi-beam or girder carrying SR 4024 Lr 39119 over Pa Tpk (I-476) in Lehigh County, Pennsylvania. It was built in 1956, so it is 69 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 6 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 3,454 vehicles a day, roughly 7% of them trucks, projected to reach 3,322 by 2030. The structure is 83 ft (25.3 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 4024 Lr 39119
CrossesPa Tpk (I-476)
LocationNear Lehigh Valley Tunnel
RouteState Highway 0
CountyLehigh County
StatePennsylvania
Coordinates40.76734, -75.64497
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span78 ft (23.8 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,454 (2024)
Projected traffic3,322 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$110,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 4024 Lr 39119 over Pa Tpk (I-476) built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 4024 Lr 39119 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 July 2023.

How much traffic does SR 4024 Lr 39119 over Pa Tpk (I-476) carry?

About 3,454 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 4024 Lr 39119 over Pa Tpk (I-476)?

The structure is 83 ft (25.3 m) long with a longest span of 78 ft (23.8 m) and a deck 35 ft wide.

Who owns SR 4024 Lr 39119 over Pa Tpk (I-476)?

It is owned by the State Toll Authority.