US Bridges

I 78(LR 1045) over SR 3008(CETRONIA Rd)

Good

Lehigh County, Pennsylvania · Over SR3008(CETRONIA Rd) · Structure no. 000000000023020

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
134 ft
3 main spans
Daily traffic
32,735
2024 count
Owner
State
State Highway Agency

About this bridge

I 78(LR 1045) over SR 3008(CETRONIA Rd) is a prestressed concrete box beam or girders - multiple carrying I 78(LR 1045) over SR 3008(CETRONIA Rd) in Lehigh 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 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 32,735 vehicles a day, roughly 33% of them trucks, projected to reach 50,539 by 2032. The structure is 134 ft (40.8 m) long and 101 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 78(LR 1045)
CrossesSR 3008(CETRONIA Rd)
LocationOver SR3008(CETRONIA Rd)
RouteInterstate 78
Coordinates40.57884, -75.55986
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 inspectionOctober 2023
Inspection intervalevery 24 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 rating61 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length134 ft (40.8 m)
Longest span60 ft (18.3 m)
Deck width101 ft (30.9 m)
Roadway width95 ft (29 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,735 (2024)
Projected traffic50,539 by 2032
Trucks33%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 3008(CETRONIA Rd) built?

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

What condition is I 78(LR 1045) over SR 3008(CETRONIA Rd) 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 October 2023.

How much traffic does I 78(LR 1045) over SR 3008(CETRONIA Rd) carry?

About 32,735 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is I 78(LR 1045) over SR 3008(CETRONIA Rd)?

The structure is 134 ft (40.8 m) long with a longest span of 60 ft (18.3 m) and a deck 101 ft wide.

Who owns I 78(LR 1045) over SR 3008(CETRONIA Rd)?

It is owned by the State Highway Agency.