US Bridges

Pa Tpk 0576 over SR 50 Millers Road

Good

Allegheny County, Pennsylvania · South Fayette Twp · Structure no. 000000000068205

Built
2017
8 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,018 ft
4 main spans
Daily traffic
10,538
2018 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk 0576 over SR 50 Millers Road is a steel continuous stringer/multi-beam or girder carrying Pa Tpk 0576 over SR 50 Millers Road 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 10,538 vehicles a day, roughly 10% of them trucks, projected to reach 14,420 by 2035. The structure is 1,018 ft (310.3 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPa Tpk 0576
CrossesSR 50 Millers Road
LocationSouth Fayette Twp
CountyAllegheny County
StatePennsylvania
Coordinates40.33719, -80.18012
Functional classRural Principal Arterial - Other

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length1,018 ft (310.3 m)
Longest span285 ft (86.9 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck50 ft (15.2 m)

Traffic and service

Average daily traffic10,538 (2018)
Projected traffic14,420 by 2035
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.7 mi (6 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Pa Tpk 0576 over SR 50 Millers Road built?

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

What condition is Pa Tpk 0576 over SR 50 Millers Road 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 April 2023.

How much traffic does Pa Tpk 0576 over SR 50 Millers Road carry?

About 10,538 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Pa Tpk 0576 over SR 50 Millers Road?

The structure is 1,018 ft (310.3 m) long with a longest span of 285 ft (86.9 m) and a deck 45 ft wide.

Who owns Pa Tpk 0576 over SR 50 Millers Road?

It is owned by the State Toll Authority.