US Bridges

T-415 Boyer Cross over Allegheny River

Good

McKean County, Pennsylvania · 500 South of US RTE 6 · Structure no. 000000000046456

Built
2009
16 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
40
2018 count
Owner
County
County Highway Agency

About this bridge

T-415 Boyer Cross over Allegheny River is a prestressed concrete box beam or girders - multiple carrying T-415 Boyer Cross over Allegheny River in McKean County, Pennsylvania. It was built in 2009, so it is 16 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 40 vehicles a day, projected to reach 50 by 2038. The structure is 114 ft (34.7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT-415 Boyer Cross
CrossesAllegheny River
Location500 South of US RTE 6
RouteCity Street 0
Coordinates41.79095, -78.22402
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length114 ft (34.7 m)
Longest span110 ft (33.5 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2018)
Projected traffic50 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 T-415 Boyer Cross over Allegheny River built?

It was built in 2009, making it 16 years old in 2025.

What condition is T-415 Boyer Cross 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 October 2022.

How much traffic does T-415 Boyer Cross over Allegheny River carry?

About 40 vehicles per day (2018 count).

How long is T-415 Boyer Cross over Allegheny River?

The structure is 114 ft (34.7 m) long with a longest span of 110 ft (33.5 m) and a deck 25 ft wide.

Who owns T-415 Boyer Cross over Allegheny River?

It is owned by the County Highway Agency.