US Bridges

T-339 over Pa Tpk (I-76)

Fair

Westmoreland County, Pennsylvania · Near Franklin · Structure no. 000000000036867

Built
2000
25 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
1 main span
Daily traffic
240
2012 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-339 over Pa Tpk (I-76) is a steel stringer/multi-beam or girder carrying T-339 over Pa Tpk (I-76) in Westmoreland County, Pennsylvania. It was built in 2000, so it is 25 years old, younger 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 6 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 240 vehicles a day, roughly 15% of them trucks, projected to reach 315 by 2030. The structure is 111 ft (33.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesT-339
CrossesPa Tpk (I-76)
LocationNear Franklin
RouteCity Street 0
CountyWestmoreland County
StatePennsylvania
Coordinates40.12, -79.33667
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length111 ft (33.8 m)
Longest span109 ft (33.2 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2012)
Projected traffic315 by 2030
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$75,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-339 over Pa Tpk (I-76) built?

It was built in 2000, making it 25 years old in 2025.

What condition is T-339 over Pa Tpk (I-76) 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 August 2022.

How much traffic does T-339 over Pa Tpk (I-76) carry?

About 240 vehicles per day (2012 count), of which roughly 15% are trucks.

How long is T-339 over Pa Tpk (I-76)?

The structure is 111 ft (33.8 m) long with a longest span of 109 ft (33.2 m) and a deck 25 ft wide.

Who owns T-339 over Pa Tpk (I-76)?

It is owned by the State Toll Authority.