US Bridges

Liberty Twp T-323 over Blockhouse Creek

Good

Tioga County, Pennsylvania · 0.7 Mi. N. of Liberty · Structure no. 000000000033284

Built
1989
36 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Liberty Twp T-323 over Blockhouse Creek is a prestressed concrete box beam or girders - multiple carrying Liberty Twp T-323 over Blockhouse Creek in Tioga County, Pennsylvania. It was built in 1989, so it is 36 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 73 by 2045. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLiberty Twp T-323
CrossesBlockhouse Creek
Location0.7 Mi. N. of Liberty
RouteCity Street 0
CountyTioga County
StatePennsylvania
Coordinates41.56806, -77.10169
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic73 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Liberty Twp T-323 over Blockhouse Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Liberty Twp T-323 over Blockhouse 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 Liberty Twp T-323 over Blockhouse Creek carry?

About 50 vehicles per day (2023 count).

How long is Liberty Twp T-323 over Blockhouse Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Liberty Twp T-323 over Blockhouse Creek?

It is owned by the Town or Township Highway Agency.