US Bridges

T-687 over Yarnell Brook

Fair

Tioga County, Pennsylvania · 1.2 MI S. Academy Corners · Structure no. 000000000033247

Built
1985
40 years old, rebuilt 2017
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-687 over Yarnell Brook is a steel stringer/multi-beam or girder carrying T-687 over Yarnell Brook in Tioga County, Pennsylvania. It was built in 1985 and reconstructed in 2017, so it is 40 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 25 vehicles a day, projected to reach 38 by 2045. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesT-687
CrossesYarnell Brook
Location1.2 MI S. Academy Corners
RouteCity Street 0
CountyTioga County
StatePennsylvania
Coordinates41.93901, -77.41362
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
Deck8 Very GoodNo problems noted.
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 rating110.1 US tons
Inventory rating83 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic38 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-687 over Yarnell Brook built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2017.

What condition is T-687 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-687 over Yarnell Brook carry?

About 25 vehicles per day (2023 count).

How long is T-687 over Yarnell Brook?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 20 ft wide.

Who owns T-687 over Yarnell Brook?

It is owned by the Town or Township Highway Agency.