US Bridges

SR 322-US 322 over Buck Run

Fair

Mifflin County, Pennsylvania · 1 MI W Burnham · Structure no. 000000000026434

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
46 ft
1 main span
Daily traffic
27,512
2024 count
Owner
State
State Highway Agency

About this bridge

SR 322-US 322 over Buck Run is a concrete culvert carrying SR 322-US 322 over Buck Run in Mifflin County, Pennsylvania. It was built in 1964, so it is 61 years old, older 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 27,512 vehicles a day, roughly 15% of them trucks, projected to reach 29,751 by 2044. The structure is 46 ft (14 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesSR 322-US 322
CrossesBuck Run
Location1 MI W Burnham
RouteU.S. Route 322
CountyMifflin County
StatePennsylvania
Coordinates40.62548, -77.58197
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,512 (2024)
Projected traffic29,751 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 over Buck Run built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR 322-US 322 over Buck Run 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 May 2024.

How much traffic does SR 322-US 322 over Buck Run carry?

About 27,512 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR 322-US 322 over Buck Run?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m).

Who owns SR 322-US 322 over Buck Run?

It is owned by the State Highway Agency.