US Bridges

SR 378(LR1007SB) over SR1002(UNION BLVD.)LR159

Fair

Lehigh County, Pennsylvania · At Center City Exit · Structure no. 000000000023189

Built
1967
58 years old, rebuilt 1990
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
17,497
2023 count
Owner
State
State Highway Agency

About this bridge

SR 378(LR1007SB) over SR1002(UNION BLVD.)LR159 is a prestressed concrete stringer/multi-beam or girder carrying SR 378(LR1007SB) 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 17,497 vehicles a day, roughly 4% of them trucks, projected to reach 20,904 by 2032. The structure is 168 ft (51.2 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 378(LR1007SB)
CrossesSR1002(UNION BLVD.)LR159
LocationAt Center City Exit
RouteState Highway 378
Coordinates40.62516, -75.38632
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length168 ft (51.2 m)
Longest span83 ft (25.3 m)
Deck width49 ft (15 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,497 (2023)
Projected traffic20,904 by 2032
Trucks4%
Lanes on structure3
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 SR 378(LR1007SB) 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 SR 378(LR1007SB) 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 SR 378(LR1007SB) over SR1002(UNION BLVD.)LR159 carry?

About 17,497 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 378(LR1007SB) over SR1002(UNION BLVD.)LR159?

The structure is 168 ft (51.2 m) long with a longest span of 83 ft (25.3 m) and a deck 49 ft wide.

Who owns SR 378(LR1007SB) over SR1002(UNION BLVD.)LR159?

It is owned by the State Highway Agency.