US Bridges

Trough Creek Drive over Trough Creek

Fair

Huntingdon County, Pennsylvania · 1 MI NE of SR 3031 · Structure no. 000000000018970

Built
1935
90 years old, rebuilt 1996
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
50
2022 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Trough Creek Drive over Trough Creek is a steel stringer/multi-beam or girder carrying Trough Creek Drive over Trough Creek in Huntingdon County, Pennsylvania. It was built in 1935 and reconstructed in 1996, so it is 90 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2042. The structure is 83 ft (25.3 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTrough Creek Drive
CrossesTrough Creek
Location1 MI NE of SR 3031
RouteState Lands Road 0
Coordinates40.3208, -78.1221
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating92 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span79 ft (24.1 m)
Deck width17 ft (5.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic70 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Trough Creek Drive over Trough Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1996.

What condition is Trough Creek Drive over 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 May 2024.

How much traffic does Trough Creek Drive over Trough Creek carry?

About 50 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Trough Creek Drive over Trough Creek?

The structure is 83 ft (25.3 m) long with a longest span of 79 ft (24.1 m) and a deck 17 ft wide.

Who owns Trough Creek Drive over Trough Creek?

It is owned by the State Park, Forest, or Reservation Agency.