US Bridges

Lardington Road over Lardington Run

Good

Allegheny County, Pennsylvania · 1/2 Mi. NW of SR1028 · Structure no. 000000000053653

Built
2017
8 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
263
2024 count
Owner
State
State Highway Agency

About this bridge

Lardington Road over Lardington Run is a prestressed concrete box beam or girders - multiple carrying Lardington Road over Lardington Run in Allegheny County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 263 vehicles a day, roughly 15% of them trucks, projected to reach 513 by 2032. The structure is 58 ft (17.7 m) long and 37 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesLardington Road
CrossesLardington Run
Location1/2 Mi. NW of SR1028
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.45081, -79.71344
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length58 ft (17.7 m)
Longest span55 ft (16.8 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2024)
Projected traffic513 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lardington Road over Lardington Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lardington Road over Lardington 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 January 2023.

How much traffic does Lardington Road over Lardington Run carry?

About 263 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Lardington Road over Lardington Run?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.8 m) and a deck 37 ft wide.

Who owns Lardington Road over Lardington Run?

It is owned by the State Highway Agency.