US Bridges

Old William Penn H over Turtle Creek

Fair

Westmoreland County, Pennsylvania · Near Export Boro Line · Structure no. 000000000037014

Built
1984
41 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
10,000
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old William Penn H over Turtle Creek is a prestressed concrete box beam or girders - multiple carrying Old William Penn H over Turtle Creek in Westmoreland County, Pennsylvania. It was built in 1984, so it is 41 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 10,000 vehicles a day, roughly 3% of them trucks, projected to reach 14,000 by 2010. The structure is 29 ft (8.8 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOld William Penn H
CrossesTurtle Creek
LocationNear Export Boro Line
RouteCity Street 0WM00
Coordinates40.42053, -79.63473
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (1990)
Projected traffic14,000 by 2010
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old William Penn H over Turtle Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Old William Penn H over Turtle 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 August 2024.

How much traffic does Old William Penn H over Turtle Creek carry?

About 10,000 vehicles per day (1990 count), of which roughly 3% are trucks.

How long is Old William Penn H over Turtle Creek?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 37 ft wide.

Who owns Old William Penn H over Turtle Creek?

It is owned by the City or Municipal Highway Agency.