US Bridges

SR 6 Grand Army Hy over Allegheny & Eastern RR

Fair

Warren County, Pennsylvania · Conewango Township · Structure no. 000000000033968

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
188 ft
3 main spans
Daily traffic
8,651
2023 count
Owner
State
State Highway Agency

About this bridge

SR 6 Grand Army Hy over Allegheny & Eastern RR is a prestressed concrete box beam or girders - multiple carrying SR 6 Grand Army Hy over Allegheny & Eastern RR in Warren County, Pennsylvania. It was built in 1976, so it is 49 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 8,651 vehicles a day, roughly 12% of them trucks, projected to reach 13,352 by 2032. The structure is 188 ft (57.3 m) long and 82 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 6 Grand Army Hy
CrossesAllegheny & Eastern RR
LocationConewango Township
RouteU.S. Route 6
CountyWarren County
StatePennsylvania
Coordinates41.83794, -79.17771
Functional classUrban Other Principal 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span65 ft (19.8 m)
Deck width82 ft (25 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,651 (2023)
Projected traffic13,352 by 2032
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 6 Grand Army Hy over Allegheny & Eastern RR built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR 6 Grand Army Hy over Allegheny & Eastern 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 July 2023.

How much traffic does SR 6 Grand Army Hy over Allegheny & Eastern RR carry?

About 8,651 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 6 Grand Army Hy over Allegheny & Eastern RR?

The structure is 188 ft (57.3 m) long with a longest span of 65 ft (19.8 m) and a deck 82 ft wide.

Who owns SR 6 Grand Army Hy over Allegheny & Eastern RR?

It is owned by the State Highway Agency.