US Bridges

T-820 Sullivan Twp over Corey Creek

Good

Tioga County, Pennsylvania · 1 Mi. NW of Mainesburg · Structure no. 000000000033323

Built
1975
50 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-820 Sullivan Twp over Corey Creek is a prestressed concrete slab carrying T-820 Sullivan Twp over Corey Creek in Tioga County, Pennsylvania. It was built in 1975, so it is 50 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 50 vehicles a day, projected to reach 77 by 2045. The structure is 35 ft (10.7 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-820 Sullivan Twp
CrossesCorey Creek
Location1 Mi. NW of Mainesburg
RouteCity Street 0
Coordinates41.79081, -77.01542
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width22 ft (6.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic77 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-820 Sullivan Twp over Corey Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is T-820 Sullivan Twp over Corey Creek 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 June 2023.

How much traffic does T-820 Sullivan Twp over Corey Creek carry?

About 50 vehicles per day (2023 count).

How long is T-820 Sullivan Twp over Corey Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 22 ft wide.

Who owns T-820 Sullivan Twp over Corey Creek?

It is owned by the Town or Township Highway Agency.