US Bridges

Scheinbach RD over Lobbs Run

Fair

Allegheny County, Pennsylvania · 1450 S.W. of SR 3021 · Structure no. 000000000001726

Built
1938
87 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
499
2024 count
Owner
State
State Highway Agency

About this bridge

Scheinbach RD over Lobbs Run is a concrete tee beam carrying Scheinbach RD over Lobbs Run in Allegheny County, Pennsylvania. It was built in 1938, so it is 87 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 499 vehicles a day, roughly 5% of them trucks, projected to reach 868 by 2038. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesScheinbach RD
CrossesLobbs Run
Location1450 S.W. of SR 3021
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.2663, -79.93019
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating56 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic499 (2024)
Projected traffic868 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$116,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Scheinbach RD over Lobbs Run built?

It was built in 1938, making it 87 years old in 2025.

What condition is Scheinbach RD over Lobbs 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 November 2023.

How much traffic does Scheinbach RD over Lobbs Run carry?

About 499 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Scheinbach RD over Lobbs Run?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Scheinbach RD over Lobbs Run?

It is owned by the State Highway Agency.