US Bridges

Pa 484 over I-70

Fair

Fulton County, Pennsylvania · Over I-70 · Structure no. 000000000017819

Built
1960
65 years old, rebuilt 2009
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
187 ft
1 main span
Daily traffic
331
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 484 over I-70 is a prestressed concrete box beam or girders - multiple carrying Pa 484 over I-70 in Fulton County, Pennsylvania. It was built in 1960 and reconstructed in 2009, so it is 65 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 331 vehicles a day, roughly 11% of them trucks, projected to reach 658 by 2032. The structure is 187 ft (57 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesPa 484
CrossesI-70
LocationOver I-70
RouteState Highway 484
Coordinates39.74886, -78.18182
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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 rating89 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20
Structure length187 ft (57 m)
Longest span52 ft (15.8 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2024)
Projected traffic658 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 484 over I-70 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is Pa 484 over I-70 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 Pa 484 over I-70 carry?

About 331 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Pa 484 over I-70?

The structure is 187 ft (57 m) long with a longest span of 52 ft (15.8 m) and a deck 35 ft wide.

Who owns Pa 484 over I-70?

It is owned by the State Highway Agency.