US Bridges

T-662 Mcfarland RD over Loyalhanna Creek

Fair

Westmoreland County, Pennsylvania · 1/2 MI North of SR 981 · Structure no. 000000000036890

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
3 main spans
Daily traffic
2,200
2022 count
Owner
County
County Highway Agency

About this bridge

T-662 Mcfarland RD over Loyalhanna Creek is a steel stringer/multi-beam or girder carrying T-662 Mcfarland RD over Loyalhanna Creek in Westmoreland County, Pennsylvania. It was built in 1963, so it is 62 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 2,200 vehicles a day, roughly 5% of them trucks, projected to reach 2,950 by 2042. The structure is 242 ft (73.8 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-662 Mcfarland RD
CrossesLoyalhanna Creek
Location1/2 MI North of SR 981
RouteCity Street 0T662
Coordinates40.32495, -79.39174
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length242 ft (73.8 m)
Longest span81 ft (24.7 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic2,950 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-662 Mcfarland RD over Loyalhanna Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is T-662 Mcfarland RD over Loyalhanna 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 July 2024.

How much traffic does T-662 Mcfarland RD over Loyalhanna Creek carry?

About 2,200 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is T-662 Mcfarland RD over Loyalhanna Creek?

The structure is 242 ft (73.8 m) long with a longest span of 81 ft (24.7 m) and a deck 31 ft wide.

Who owns T-662 Mcfarland RD over Loyalhanna Creek?

It is owned by the County Highway Agency.