US Bridges

I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH

Fair

Lehigh County, Pennsylvania · Lehigh St.Exit 57(18A) · Structure no. 000000000023056

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
1 main span
Daily traffic
70,840
2023 count
Owner
State
State Highway Agency

About this bridge

I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH is a steel stringer/multi-beam or girder carrying I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH in Lehigh County, Pennsylvania. It was built in 1989, so it is 36 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 70,840 vehicles a day, roughly 18% of them trucks, projected to reach 117,029 by 2032. The structure is 115 ft (35.1 m) long and 175 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI- 78(LR 1045)
CrossesSR 2005 (lr 158)LEHIGH
LocationLehigh St.Exit 57(18A)
RouteInterstate 78
CountyLehigh County
StatePennsylvania
Coordinates40.56435, -75.48487
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 rating88 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length115 ft (35.1 m)
Longest span110 ft (33.5 m)
Deck width175 ft (53.4 m)
Roadway width167 ft (50.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,840 (2023)
Projected traffic117,029 by 2032
Trucks18%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 2005 (lr 158)LEHIGH built?

It was built in 1989, making it 36 years old in 2025.

What condition is I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH 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 February 2024.

How much traffic does I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH carry?

About 70,840 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH?

The structure is 115 ft (35.1 m) long with a longest span of 110 ft (33.5 m) and a deck 175 ft wide.

Who owns I- 78(LR 1045) over SR 2005 (lr 158)LEHIGH?

It is owned by the State Highway Agency.