US Bridges

Pa 994 over Great Trough Creek

Fair

Huntingdon County, Pennsylvania · 0.2 Mile East of SR 3019 · Structure no. 000000000018752

Built
1963
62 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
359
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 994 over Great Trough Creek is a steel stringer/multi-beam or girder carrying Pa 994 over Great Trough Creek in Huntingdon County, Pennsylvania. It was built in 1963, so it is 62 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 359 vehicles a day, roughly 25% of them trucks, projected to reach 488 by 2032. The structure is 52 ft (15.8 m) long and 35 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesPa 994
CrossesGreat Trough Creek
Location0.2 Mile East of SR 3019
RouteState Highway 994
CountyHuntingdon County
StatePennsylvania
Coordinates40.21048, -78.086
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating92 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic359 (2024)
Projected traffic488 by 2032
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$813,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 994 over Great Trough Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Pa 994 over Great Trough 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 September 2024.

How much traffic does Pa 994 over Great Trough Creek carry?

About 359 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Pa 994 over Great Trough Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns Pa 994 over Great Trough Creek?

It is owned by the State Highway Agency.