US Bridges

SR0056 over Blacklick CR & Conrail

Fair

Indiana County, Pennsylvania · Buena Vista · Structure no. 000000000018986

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
408 ft
3 main spans
Daily traffic
4,601
2023 count
Owner
State
State Highway Agency

About this bridge

SR0056 over Blacklick CR & Conrail is a prestressed concrete stringer/multi-beam or girder carrying SR0056 over Blacklick CR & Conrail in Indiana County, Pennsylvania. It was built in 1988, so it is 37 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 4,601 vehicles a day, roughly 30% of them trucks, projected to reach 5,973 by 2032. The structure is 408 ft (124.4 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR0056
CrossesBlacklick CR & Conrail
LocationBuena Vista
RouteState Highway 56
CountyIndiana County
StatePennsylvania
Coordinates40.48072, -79.04268
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length408 ft (124.4 m)
Longest span135 ft (41.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,601 (2023)
Projected traffic5,973 by 2032
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$5.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR0056 over Blacklick CR & Conrail built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR0056 over Blacklick CR & Conrail 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 2024.

How much traffic does SR0056 over Blacklick CR & Conrail carry?

About 4,601 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is SR0056 over Blacklick CR & Conrail?

The structure is 408 ft (124.4 m) long with a longest span of 135 ft (41.1 m) and a deck 46 ft wide.

Who owns SR0056 over Blacklick CR & Conrail?

It is owned by the State Highway Agency.