US Bridges

T460 Whipkey Dam R over Laurel Hill Creek

Fair

Somerset County, Pennsylvania · Metzler · Structure no. 000000000031691

Built
1958
67 years old, rebuilt 2007
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
2 main spans
Daily traffic
203
2024 count
Owner
State
State Highway Agency

About this bridge

T460 Whipkey Dam R over Laurel Hill Creek is a prestressed concrete box beam or girders - multiple carrying T460 Whipkey Dam R over Laurel Hill Creek in Somerset County, Pennsylvania. It was built in 1958 and reconstructed in 2007, so it is 67 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 203 vehicles a day, roughly 17% of them trucks, projected to reach 208 by 2032. The structure is 126 ft (38.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT460 Whipkey Dam R
CrossesLaurel Hill Creek
LocationMetzler
RouteState Highway 0
Coordinates39.92075, -79.2797
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.
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; 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating103.9 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2024)
Projected traffic208 by 2032
Trucks17%
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

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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T460 Whipkey Dam R over Laurel Hill Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2007.

What condition is T460 Whipkey Dam R over Laurel Hill 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 T460 Whipkey Dam R over Laurel Hill Creek carry?

About 203 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is T460 Whipkey Dam R over Laurel Hill Creek?

The structure is 126 ft (38.4 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns T460 Whipkey Dam R over Laurel Hill Creek?

It is owned by the State Highway Agency.