US Bridges

I-81 NB ; SR 0081 over SR 0078 WB & Ramp E

Fair

Lebanon County, Pennsylvania · I-81N.B. & I-78 Split · Structure no. 000000000043098

Built
2005
20 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
340 ft
2 main spans
Daily traffic
12,358
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 NB ; SR 0081 over SR 0078 WB & Ramp E is a steel continuous stringer/multi-beam or girder carrying I-81 NB ; SR 0081 over SR 0078 WB & Ramp E in Lebanon County, Pennsylvania. It was built in 2005, so it is 20 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 12,358 vehicles a day, roughly 37% of them trucks, projected to reach 16,019 by 2032. The structure is 340 ft (103.6 m) long and 53 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI-81 NB ; SR 0081
CrossesSR 0078 WB & Ramp E
LocationI-81N.B. & I-78 Split
RouteInterstate 81
CountyLebanon County
StatePennsylvania
Coordinates40.42698, -76.52002
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 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 rating74 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length340 ft (103.6 m)
Longest span176 ft (53.6 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,358 (2024)
Projected traffic16,019 by 2032
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed8.1 mi (13 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-81 NB ; SR 0081 over SR 0078 WB & Ramp E built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-81 NB ; SR 0081 over SR 0078 WB & Ramp E 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 November 2023.

How much traffic does I-81 NB ; SR 0081 over SR 0078 WB & Ramp E carry?

About 12,358 vehicles per day (2024 count), of which roughly 37% are trucks.

How long is I-81 NB ; SR 0081 over SR 0078 WB & Ramp E?

The structure is 340 ft (103.6 m) long with a longest span of 176 ft (53.6 m) and a deck 53 ft wide.

Who owns I-81 NB ; SR 0081 over SR 0078 WB & Ramp E?

It is owned by the State Highway Agency.