US Bridges

T-520 Quarry Road over Pine Creek

Fair

Centre County, Pennsylvania · 650 Ft North Int SR 2018 · Structure no. 000000000009816

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
35
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-520 Quarry Road over Pine Creek is a prestressed concrete box beam or girders - multiple carrying T-520 Quarry Road over Pine Creek in Centre 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2045. The structure is 82 ft (25 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-520 Quarry Road
CrossesPine Creek
Location650 Ft North Int SR 2018
RouteCity Street 0
Coordinates40.88745, -77.3926
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic55 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-520 Quarry Road over Pine Creek built?

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

What condition is T-520 Quarry Road over Pine Creek 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 June 2023.

How much traffic does T-520 Quarry Road over Pine Creek carry?

About 35 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is T-520 Quarry Road over Pine Creek?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns T-520 Quarry Road over Pine Creek?

It is owned by the Town or Township Highway Agency.