US Bridges

T865 Old Airport over Slate Creek

Good

Westmoreland County, Pennsylvania · 340 SE of SR 2013 · Structure no. 000000000048954

Built
2014
11 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
4,538
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T865 Old Airport over Slate Creek is a prestressed concrete box beam or girders - multiple carrying T865 Old Airport over Slate Creek in Westmoreland County, Pennsylvania. It was built in 2014, so it is 11 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 4,538 vehicles a day, roughly 2% of them trucks, projected to reach 5,437 by 2044. The structure is 44 ft (13.4 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT865 Old Airport
CrossesSlate Creek
Location340 SE of SR 2013
RouteCity Street 0T865
Coordinates40.28059, -79.52042
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,538 (2024)
Projected traffic5,437 by 2044
Trucks2%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T865 Old Airport over Slate Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is T865 Old Airport over Slate Creek 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 March 2024.

How much traffic does T865 Old Airport over Slate Creek carry?

About 4,538 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is T865 Old Airport over Slate Creek?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 35 ft wide.

Who owns T865 Old Airport over Slate Creek?

It is owned by the Town or Township Highway Agency.