US Bridges

T-322 over Penns Creek

Fair

Union County, Pennsylvania · 0.5 Mi. South of Millmont · Structure no. 000000000033597

Built
1976
49 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
164 ft
2 main spans
Daily traffic
162
2023 count
Owner
County
County Highway Agency

About this bridge

T-322 over Penns Creek is a prestressed concrete box beam or girders - multiple carrying T-322 over Penns Creek in Union County, Pennsylvania. It was built in 1976, so it is 49 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 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 162 vehicles a day, projected to reach 250 by 2045. The structure is 164 ft (50 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT-322
CrossesPenns Creek
Location0.5 Mi. South of Millmont
RouteCity Street 0
CountyUnion County
StatePennsylvania
Coordinates40.87746, -77.14072
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating51 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (50 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162 (2023)
Projected traffic250 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

OwnerCounty Highway Agency
Maintained byCounty 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-322 over Penns Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is T-322 over Penns Creek 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 March 2023.

How much traffic does T-322 over Penns Creek carry?

About 162 vehicles per day (2023 count).

How long is T-322 over Penns Creek?

The structure is 164 ft (50 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns T-322 over Penns Creek?

It is owned by the County Highway Agency.