US Bridges

SR 322-US 322 W.B. over Laurel Creek and T 795

Fair

Mifflin County, Pennsylvania · 2 MI NW Milroy · Structure no. 000000000040607

Built
1999
26 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
306 ft
3 main spans
Daily traffic
8,666
2024 count
Owner
State
State Highway Agency

About this bridge

SR 322-US 322 W.B. over Laurel Creek and T 795 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 322-US 322 W.B. over Laurel Creek and T 795 in Mifflin County, Pennsylvania. It was built in 1999, so it is 26 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 8,666 vehicles a day, roughly 21% of them trucks, projected to reach 8,524 by 2044. The structure is 306 ft (93.3 m) long and 39 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

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CarriesSR 322-US 322 W.B.
CrossesLaurel Creek and T 795
Location2 MI NW Milroy
RouteU.S. Route 322
CountyMifflin County
StatePennsylvania
Coordinates40.73129, -77.61329
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length306 ft (93.3 m)
Longest span120 ft (36.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,666 (2024)
Projected traffic8,524 by 2044
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 322-US 322 W.B. over Laurel Creek and T 795 built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR 322-US 322 W.B. over Laurel Creek and T 795 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 October 2022.

How much traffic does SR 322-US 322 W.B. over Laurel Creek and T 795 carry?

About 8,666 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is SR 322-US 322 W.B. over Laurel Creek and T 795?

The structure is 306 ft (93.3 m) long with a longest span of 120 ft (36.6 m) and a deck 39 ft wide.

Who owns SR 322-US 322 W.B. over Laurel Creek and T 795?

It is owned by the State Highway Agency.