US Bridges

SR 8004 (ramp Bc) over Pa 764

Fair

Blair County, Pennsylvania · 2.8 Mi.N.Of Duncansville · Structure no. 000000000006011

Built
1983
42 years old, rebuilt 2010
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
4,255
2024 count
Owner
State
State Highway Agency

About this bridge

SR 8004 (ramp Bc) over Pa 764 is a prestressed concrete stringer/multi-beam or girder carrying SR 8004 (ramp Bc) over Pa 764 in Blair County, Pennsylvania. It was built in 1983 and reconstructed in 2010, so it is 42 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 4,255 vehicles a day, roughly 7% of them trucks, projected to reach 3,885 by 2032. The structure is 180 ft (54.9 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 8004 (ramp Bc)
CrossesPa 764
Location2.8 Mi.N.Of Duncansville
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.44483, -78.43407
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating73 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span108 ft (32.9 m)
Deck width72 ft (21.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,255 (2024)
Projected traffic3,885 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 8004 (ramp Bc) over Pa 764 built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2010.

What condition is SR 8004 (ramp Bc) over Pa 764 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 SR 8004 (ramp Bc) over Pa 764 carry?

About 4,255 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 8004 (ramp Bc) over Pa 764?

The structure is 180 ft (54.9 m) long with a longest span of 108 ft (32.9 m) and a deck 72 ft wide.

Who owns SR 8004 (ramp Bc) over Pa 764?

It is owned by the State Highway Agency.