US Bridges

T-416 over Allegheny River

Fair

McKean County, Pennsylvania · Turtlepoint · Structure no. 000000000025474

Built
1963
62 years old, rebuilt 2014
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
452
2024 count
Owner
State
State Highway Agency

About this bridge

T-416 over Allegheny River is a steel continuous stringer/multi-beam or girder carrying T-416 over Allegheny River in McKean County, Pennsylvania. It was built in 1963 and reconstructed in 2014, so it is 62 years old, older 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 6 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 452 vehicles a day, roughly 5% of them trucks, projected to reach 536 by 2043. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesT-416
CrossesAllegheny River
LocationTurtlepoint
RouteState Highway 0
Coordinates41.86764, -78.34332
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length200 ft (61 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (2024)
Projected traffic536 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$577,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-416 over Allegheny River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2014.

What condition is T-416 over Allegheny River 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 August 2023.

How much traffic does T-416 over Allegheny River carry?

About 452 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is T-416 over Allegheny River?

The structure is 200 ft (61 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns T-416 over Allegheny River?

It is owned by the State Highway Agency.