US Bridges

Austraw Road over North Fork Trout Run

Fair

Westmoreland County, Pennsylvania · North of Ligonier Borough · Structure no. 000000000040747

Built
1999
26 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
341
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Austraw Road over North Fork Trout Run is a prestressed concrete box beam or girders - multiple carrying Austraw Road over North Fork Trout Run in Westmoreland County, Pennsylvania. It was built in 1999, so it is 26 years old, younger 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 341 vehicles a day, roughly 1% of them trucks, projected to reach 433 by 2037. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAustraw Road
CrossesNorth Fork Trout Run
LocationNorth of Ligonier Borough
RouteCity Street 0
Coordinates40.2925, -79.25203
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2017)
Projected traffic433 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Austraw Road over North Fork Trout Run built?

It was built in 1999, making it 26 years old in 2025.

What condition is Austraw Road over North Fork Trout 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 April 2024.

How much traffic does Austraw Road over North Fork Trout Run carry?

About 341 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Austraw Road over North Fork Trout Run?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Austraw Road over North Fork Trout Run?

It is owned by the Town or Township Highway Agency.