US Bridges

SR 322-US 322 over Galbraith Gap Run

Fair

Centre County, Pennsylvania · Boalsburg · Structure no. 000000000009514

Built
1925
100 years old, rebuilt 1954
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
13,783
2023 count
Owner
State
State Highway Agency

About this bridge

SR 322-US 322 over Galbraith Gap Run is a concrete tee beam carrying SR 322-US 322 over Galbraith Gap Run in Centre County, Pennsylvania. It was built in 1925 and reconstructed in 1954, so it is 100 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 5 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 13,783 vehicles a day, roughly 20% of them trucks, projected to reach 14,436 by 2043. The structure is 22 ft (6.7 m) long and 41 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSR 322-US 322
CrossesGalbraith Gap Run
LocationBoalsburg
RouteU.S. Route 322
Coordinates40.77896, -77.76931
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,783 (2023)
Projected traffic14,436 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 322-US 322 over Galbraith Gap Run built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1954.

What condition is SR 322-US 322 over Galbraith Gap 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 June 2023.

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

About 13,783 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR 322-US 322 over Galbraith Gap Run?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 41 ft wide.

Who owns SR 322-US 322 over Galbraith Gap Run?

It is owned by the State Highway Agency.