US Bridges

Pa Tpk (I-576) over Mccaslin RD Enlow Run

Fair

Allegheny County, Pennsylvania · Findlay Twp · Structure no. 000000000045364

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
593 ft
4 main spans
Daily traffic
2,025
2008 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-576) over Mccaslin RD Enlow Run is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (I-576) over Mccaslin RD Enlow Run in Allegheny County, Pennsylvania. It was built in 2006, so it is 19 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 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 2,025 vehicles a day, roughly 8% of them trucks, projected to reach 7,300 by 2030. The structure is 593 ft (180.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPa Tpk (I-576)
CrossesMccaslin RD Enlow Run
LocationFindlay Twp
CountyAllegheny County
StatePennsylvania
Coordinates40.48648, -80.27152
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJune 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length593 ft (180.7 m)
Longest span178 ft (54.3 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,025 (2008)
Projected traffic7,300 by 2030
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-576) over Mccaslin RD Enlow Run built?

It was built in 2006, making it 19 years old in 2025.

What condition is Pa Tpk (I-576) over Mccaslin RD Enlow Run 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 June 2023.

How much traffic does Pa Tpk (I-576) over Mccaslin RD Enlow Run carry?

About 2,025 vehicles per day (2008 count), of which roughly 8% are trucks.

How long is Pa Tpk (I-576) over Mccaslin RD Enlow Run?

The structure is 593 ft (180.7 m) long with a longest span of 178 ft (54.3 m) and a deck 36 ft wide.

Who owns Pa Tpk (I-576) over Mccaslin RD Enlow Run?

It is owned by the State Toll Authority.