US Bridges

I-78 (lr 443) over * SR3013 (lr 39082)

Fair

Lehigh County, Pennsylvania · New Smithville · Structure no. 000000000022992

Built
1958
67 years old, rebuilt 2005
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
87 ft
3 main spans
Daily traffic
38,707
2024 count
Owner
State
State Highway Agency

About this bridge

I-78 (lr 443) over * SR3013 (lr 39082) is a steel continuous stringer/multi-beam or girder carrying I-78 (lr 443) over * SR3013 (lr 39082) in Lehigh County, Pennsylvania. It was built in 1958 and reconstructed in 2005, so it is 67 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 38,707 vehicles a day, roughly 35% of them trucks, projected to reach 50,365 by 2032. The structure is 87 ft (26.5 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI-78 (lr 443)
Crosses* SR3013 (lr 39082)
LocationNew Smithville
RouteInterstate 78
Coordinates40.58047, -75.72895
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span31 ft (9.4 m)
Deck width71 ft (21.7 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,707 (2024)
Projected traffic50,365 by 2032
Trucks35%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 (lr 443) over * SR3013 (lr 39082) built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2005.

What condition is I-78 (lr 443) over * SR3013 (lr 39082) 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 December 2023.

How much traffic does I-78 (lr 443) over * SR3013 (lr 39082) carry?

About 38,707 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is I-78 (lr 443) over * SR3013 (lr 39082)?

The structure is 87 ft (26.5 m) long with a longest span of 31 ft (9.4 m) and a deck 71 ft wide.

Who owns I-78 (lr 443) over * SR3013 (lr 39082)?

It is owned by the State Highway Agency.