US Bridges

I-78EB(LR 1045) over Pa 412(LR 530)& Ramp

Fair

Northampton County, Pennsylvania · Exit 21(67)PA.412 · Structure no. 000000000028532

Built
1988
37 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
146 ft
3 main spans
Daily traffic
30,843
2024 count
Owner
State
State Highway Agency

About this bridge

I-78EB(LR 1045) over Pa 412(LR 530)& Ramp is a prestressed concrete stringer/multi-beam or girder carrying I-78EB(LR 1045) over Pa 412(LR 530)& Ramp in Northampton County, Pennsylvania. It was built in 1988, so it is 37 years old, younger 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 30,843 vehicles a day, roughly 17% of them trucks, projected to reach 39,544 by 2032. The structure is 146 ft (44.5 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesI-78EB(LR 1045)
CrossesPa 412(LR 530)& Ramp
LocationExit 21(67)PA.412
RouteInterstate 78
CountyNorthampton County
StatePennsylvania
Coordinates40.59623, -75.34039
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span81 ft (24.7 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,843 (2024)
Projected traffic39,544 by 2032
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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-78EB(LR 1045) over Pa 412(LR 530)& Ramp built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-78EB(LR 1045) over Pa 412(LR 530)& Ramp 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 September 2023.

How much traffic does I-78EB(LR 1045) over Pa 412(LR 530)& Ramp carry?

About 30,843 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is I-78EB(LR 1045) over Pa 412(LR 530)& Ramp?

The structure is 146 ft (44.5 m) long with a longest span of 81 ft (24.7 m) and a deck 48 ft wide.

Who owns I-78EB(LR 1045) over Pa 412(LR 530)& Ramp?

It is owned by the State Highway Agency.