US Bridges

I-78 Eb; SR 0078 over T-435

Fair

Lebanon County, Pennsylvania · 0.5 Mi.E. of Swatara Ck. · Structure no. 000000000022626

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
15,595
2024 count
Owner
State
State Highway Agency

About this bridge

I-78 Eb; SR 0078 over T-435 is a concrete continuous slab carrying I-78 Eb; SR 0078 over T-435 in Lebanon County, Pennsylvania. It was built in 1969, so it is 56 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 5 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 15,595 vehicles a day, roughly 43% of them trucks, projected to reach 20,217 by 2032. The structure is 87 ft (26.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-78 Eb; SR 0078
CrossesT-435
Location0.5 Mi.E. of Swatara Ck.
RouteInterstate 78
CountyLebanon County
StatePennsylvania
Coordinates40.4393, -76.48427
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span38 ft (11.6 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,595 (2024)
Projected traffic20,217 by 2032
Trucks43%
Lanes on structure2
Traffic directionOne-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$386,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Eb; SR 0078 over T-435 built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-78 Eb; SR 0078 over T-435 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 October 2023.

How much traffic does I-78 Eb; SR 0078 over T-435 carry?

About 15,595 vehicles per day (2024 count), of which roughly 43% are trucks.

How long is I-78 Eb; SR 0078 over T-435?

The structure is 87 ft (26.5 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.

Who owns I-78 Eb; SR 0078 over T-435?

It is owned by the State Highway Agency.