US Bridges

Sloop RD over Lowries Run

Fair

Allegheny County, Pennsylvania · Int Roch RD on Sloop RD · Structure no. 000000000002020

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
3,099
2024 count
Owner
State
State Highway Agency

About this bridge

Sloop RD over Lowries Run is a concrete slab carrying Sloop RD over Lowries Run in Allegheny County, Pennsylvania. It was built in 1950, so it is 75 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 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 3,099 vehicles a day, roughly 6% of them trucks, projected to reach 5,058 by 2038. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSloop RD
CrossesLowries Run
LocationInt Roch RD on Sloop RD
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.56369, -80.05983
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span16 ft (4.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,099 (2024)
Projected traffic5,058 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sloop RD over Lowries Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is Sloop RD over Lowries 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 February 2024.

How much traffic does Sloop RD over Lowries Run carry?

About 3,099 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Sloop RD over Lowries Run?

The structure is 21 ft (6.4 m) long with a longest span of 16 ft (4.9 m) and a deck 28 ft wide.

Who owns Sloop RD over Lowries Run?

It is owned by the State Highway Agency.