US Bridges

I-78(LR 1045) over SR 2002 (lr 39013)

Good

Lehigh County, Pennsylvania · Emmaus Ave.Exit #58(18B) · Structure no. 000000000023059

Built
1989
36 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
70,840
2023 count
Owner
State
State Highway Agency

About this bridge

I-78(LR 1045) over SR 2002 (lr 39013) is a steel stringer/multi-beam or girder carrying I-78(LR 1045) over SR 2002 (lr 39013) in Lehigh County, Pennsylvania. It was built in 1989, so it is 36 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 70,840 vehicles a day, roughly 18% of them trucks, projected to reach 117,029 by 2032. The structure is 117 ft (35.7 m) long and 140 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-78(LR 1045)
CrossesSR 2002 (lr 39013)
LocationEmmaus Ave.Exit #58(18B)
RouteInterstate 78
Coordinates40.56347, -75.47598
Functional classUrban 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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span113 ft (34.4 m)
Deck width140 ft (42.7 m)
Roadway width131 ft (39.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,840 (2023)
Projected traffic117,029 by 2032
Trucks18%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 1045) over SR 2002 (lr 39013) built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-78(LR 1045) over SR 2002 (lr 39013) 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 January 2024.

How much traffic does I-78(LR 1045) over SR 2002 (lr 39013) carry?

About 70,840 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-78(LR 1045) over SR 2002 (lr 39013)?

The structure is 117 ft (35.7 m) long with a longest span of 113 ft (34.4 m) and a deck 140 ft wide.

Who owns I-78(LR 1045) over SR 2002 (lr 39013)?

It is owned by the State Highway Agency.