US Bridges

T-438 over Yarnell Brook

Fair

Tioga County, Pennsylvania · 1.9 Mi. S. Academy Corner · Structure no. 000000000033246

Built
1920
105 years old, rebuilt 1987
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
54
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-438 over Yarnell Brook is a steel stringer/multi-beam or girder carrying T-438 over Yarnell Brook in Tioga County, Pennsylvania. It was built in 1920 and reconstructed in 1987, so it is 105 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 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 54 vehicles a day, projected to reach 83 by 2045. The structure is 31 ft (9.4 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-438
CrossesYarnell Brook
Location1.9 Mi. S. Academy Corner
RouteCity Street 0
Coordinates41.93104, -77.4064
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.
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.
Channel and channel protection5 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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2023)
Projected traffic83 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$119,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-438 over Yarnell Brook built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1987.

What condition is T-438 over Yarnell Brook 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 T-438 over Yarnell Brook carry?

About 54 vehicles per day (2023 count).

How long is T-438 over Yarnell Brook?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 21 ft wide.

Who owns T-438 over Yarnell Brook?

It is owned by the Town or Township Highway Agency.