US Bridges

T330 Plummer Road over Laurel Run

Good

Cambria County, Pennsylvania · .5 Mi.N.Of Sidman · Structure no. 000000000008743

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
114
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T330 Plummer Road over Laurel Run is a prestressed concrete box beam or girders - multiple carrying T330 Plummer Road over Laurel Run in Cambria County, Pennsylvania. It was built in 2007, so it is 18 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 114 vehicles a day, roughly 1% of them trucks, projected to reach 128 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesT330 Plummer Road
CrossesLaurel Run
Location.5 Mi.N.Of Sidman
RouteCity Street 0
CountyCambria County
StatePennsylvania
Coordinates40.33767, -78.74839
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2023)
Projected traffic128 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$624,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T330 Plummer Road over Laurel Run built?

It was built in 2007, making it 18 years old in 2025.

What condition is T330 Plummer Road over Laurel Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does T330 Plummer Road over Laurel Run carry?

About 114 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T330 Plummer Road over Laurel Run?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns T330 Plummer Road over Laurel Run?

It is owned by the Town or Township Highway Agency.