US Bridges

Pa 747 over Hill Valley Creek

Fair

Huntingdon County, Pennsylvania · 0.8 Mile South of TR 522 · Structure no. 000000000018719

Built
1949
76 years old, rebuilt 2011
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
62 ft
2 main spans
Daily traffic
2,380
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 747 over Hill Valley Creek is a concrete tee beam carrying Pa 747 over Hill Valley Creek in Huntingdon County, Pennsylvania. It was built in 1949 and reconstructed in 2011, so it is 76 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 2,380 vehicles a day, roughly 2% of them trucks, projected to reach 1,684 by 2032. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesPa 747
CrossesHill Valley Creek
Location0.8 Mile South of TR 522
RouteState Highway 747
Coordinates40.37438, -77.88855
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,380 (2024)
Projected traffic1,684 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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$912,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 747 over Hill Valley Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2011.

What condition is Pa 747 over Hill Valley 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 July 2024.

How much traffic does Pa 747 over Hill Valley Creek carry?

About 2,380 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Pa 747 over Hill Valley Creek?

The structure is 62 ft (18.9 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns Pa 747 over Hill Valley Creek?

It is owned by the State Highway Agency.