US Bridges

T419 Blackburn RD over Hinckston Run

Fair

Cambria County, Pennsylvania · Village of Vinco · Structure no. 000000000008751

Built
1978
47 years old, rebuilt 2019
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
200
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T419 Blackburn RD over Hinckston Run is a prestressed concrete box beam or girders - multiple carrying T419 Blackburn RD over Hinckston Run in Cambria County, Pennsylvania. It was built in 1978 and reconstructed in 2019, so it is 47 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 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 208 by 2043. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT419 Blackburn RD
CrossesHinckston Run
LocationVillage of Vinco
RouteCity Street 0
Coordinates40.40014, -78.85861
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic208 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 T419 Blackburn RD over Hinckston Run built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2019.

What condition is T419 Blackburn RD over Hinckston Run 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 December 2023.

How much traffic does T419 Blackburn RD over Hinckston Run carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T419 Blackburn RD over Hinckston Run?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns T419 Blackburn RD over Hinckston Run?

It is owned by the Town or Township Highway Agency.