US Bridges

SR 3006 over Great Trough Creek

Fair

Huntingdon County, Pennsylvania · 1 Mi. West of Robertsdale · Structure no. 000000000018843

Built
1959
66 years old, rebuilt 2010
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
427
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3006 over Great Trough Creek is a prestressed concrete box beam or girders - multiple carrying SR 3006 over Great Trough Creek in Huntingdon County, Pennsylvania. It was built in 1959 and reconstructed in 2010, so it is 66 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 427 vehicles a day, roughly 6% of them trucks, projected to reach 765 by 2032. The structure is 33 ft (10.1 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 3006
CrossesGreat Trough Creek
Location1 Mi. West of Robertsdale
RouteState Highway 0
Coordinates40.16811, -78.13192
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width40 ft (12.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic427 (2024)
Projected traffic765 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$646,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 3006 over Great Trough Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2010.

What condition is SR 3006 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 2023.

How much traffic does SR 3006 over Great Trough Creek carry?

About 427 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 3006 over Great Trough Creek?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 40 ft wide.

Who owns SR 3006 over Great Trough Creek?

It is owned by the State Highway Agency.