US Bridges

Pa 305 over Norfolk Southern RR

Fair

Huntingdon County, Pennsylvania · 147 Feet West of SR 4004 · Structure no. 000000000018634

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
2,651
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 305 over Norfolk Southern RR is a prestressed concrete box beam or girders - multiple carrying Pa 305 over Norfolk Southern RR in Huntingdon County, Pennsylvania. It was built in 1985, so it is 40 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 2,651 vehicles a day, roughly 7% of them trucks, projected to reach 2,768 by 2032. The structure is 60 ft (18.3 m) long and 42 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesPa 305
CrossesNorfolk Southern RR
Location147 Feet West of SR 4004
RouteState Highway 305
Coordinates40.56823, -78.06447
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating99 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,651 (2024)
Projected traffic2,768 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed39.8 mi (64 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 305 over Norfolk Southern RR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Pa 305 over Norfolk Southern RR 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 Pa 305 over Norfolk Southern RR carry?

About 2,651 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pa 305 over Norfolk Southern RR?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns Pa 305 over Norfolk Southern RR?

It is owned by the State Highway Agency.