US Bridges

Laird Street over Jacks Run

Good

Westmoreland County, Pennsylvania · Btw Alwine & Urania · Structure no. 000000000048093

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
3,915
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laird Street over Jacks Run is a prestressed concrete box beam or girders - multiple carrying Laird Street over Jacks Run in Westmoreland County, Pennsylvania. It was built in 2013, so it is 12 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 3,915 vehicles a day, roughly 4% of them trucks, projected to reach 4,780 by 2043. The structure is 52 ft (15.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaird Street
CrossesJacks Run
LocationBtw Alwine & Urania
RouteCity Street 0
Coordinates40.30155, -79.53999
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width46 ft (14.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,915 (2023)
Projected traffic4,780 by 2043
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Laird Street over Jacks Run built?

It was built in 2013, making it 12 years old in 2025.

What condition is Laird Street over Jacks 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 September 2023.

How much traffic does Laird Street over Jacks Run carry?

About 3,915 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Laird Street over Jacks Run?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 46 ft wide.

Who owns Laird Street over Jacks Run?

It is owned by the City or Municipal Highway Agency.