US Bridges

SR 6 - US 6 over Allegheny River

Good

Potter County, Pennsylvania · Coudersport · Structure no. 000000000045017

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
6,095
2023 count
Owner
State
State Highway Agency

About this bridge

SR 6 - US 6 over Allegheny River is a prestressed concrete box beam or girders - multiple carrying SR 6 - US 6 over Allegheny River in Potter County, Pennsylvania. It was built in 2008, so it is 17 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,095 vehicles a day, roughly 11% of them trucks, projected to reach 8,016 by 2043. The structure is 65 ft (19.8 m) long and 47 ft wide.

CarriesSR 6 - US 6
CrossesAllegheny River
LocationCoudersport
RouteU.S. Route 6
Coordinates41.77446, -78.01814
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width47 ft (14.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,095 (2023)
Projected traffic8,016 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 6 - US 6 over Allegheny River built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR 6 - US 6 over Allegheny River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does SR 6 - US 6 over Allegheny River carry?

About 6,095 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 6 - US 6 over Allegheny River?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 47 ft wide.

Who owns SR 6 - US 6 over Allegheny River?

It is owned by the State Highway Agency.