US Bridges

Pa 378(LR1007) over Earth Embankment

Good

Lehigh County, Pennsylvania · Conn.To Hill to Hill Bri. · Structure no. 000000000023184

Built
1967
58 years old, rebuilt 1990
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
35,929
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 378(LR1007) over Earth Embankment is a steel stringer/multi-beam or girder carrying Pa 378(LR1007) over Earth Embankment 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 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 35,929 vehicles a day, roughly 4% of them trucks, projected to reach 43,700 by 2032. The structure is 60 ft (18.3 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPa 378(LR1007)
CrossesEarth Embankment
LocationConn.To Hill to Hill Bri.
RouteState Highway 378
Coordinates40.61818, -75.38506
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 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 rating91.1 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span51 ft (15.5 m)
Deck width62 ft (19 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,929 (2023)
Projected traffic43,700 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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(LR1007) over Earth Embankment built?

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

What condition is Pa 378(LR1007) over Earth Embankment 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 May 2024.

How much traffic does Pa 378(LR1007) over Earth Embankment carry?

About 35,929 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Pa 378(LR1007) over Earth Embankment?

The structure is 60 ft (18.3 m) long with a longest span of 51 ft (15.5 m) and a deck 62 ft wide.

Who owns Pa 378(LR1007) over Earth Embankment?

It is owned by the State Highway Agency.