US Bridges

Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159

Fair

Lehigh County, Pennsylvania · Center City Exit · Structure no. 000000000023186

Built
1967
58 years old, rebuilt 1990
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
18,432
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159 is a prestressed concrete stringer/multi-beam or girder carrying Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159 in Lehigh County, Pennsylvania. It was built in 1967 and reconstructed in 1990, so it is 58 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 18,432 vehicles a day, roughly 4% of them trucks, projected to reach 22,796 by 2032. The structure is 198 ft (60.4 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPa 378 (LR1007NB)
CrossesSR1002(UNION BLVD.)LR159
LocationCenter City Exit
RouteState Highway 378
CountyLehigh County
StatePennsylvania
Coordinates40.62517, -75.38606
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length198 ft (60.4 m)
Longest span83 ft (25.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,432 (2023)
Projected traffic22,796 by 2032
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1990.

What condition is Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159 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 April 2024.

How much traffic does Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159 carry?

About 18,432 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159?

The structure is 198 ft (60.4 m) long with a longest span of 83 ft (25.3 m) and a deck 43 ft wide.

Who owns Pa 378 (LR1007NB) over SR1002(UNION BLVD.)LR159?

It is owned by the State Highway Agency.