US Bridges

Walton Road over Lobbs Run

Fair

Allegheny County, Pennsylvania · 1050 N.W. of SR 0837 · Structure no. 000000000001730

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
609
2024 count
Owner
State
State Highway Agency

About this bridge

Walton Road over Lobbs Run is a concrete tee beam carrying Walton Road over Lobbs Run in Allegheny County, Pennsylvania. It was built in 1962, so it is 63 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 609 vehicles a day, roughly 2% of them trucks, projected to reach 1,538 by 2038. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWalton Road
CrossesLobbs Run
Location1050 N.W. of SR 0837
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.26067, -79.91768
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span35 ft (10.7 m)
Deck width44 ft (13.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2024)
Projected traffic1,538 by 2038
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Walton Road over Lobbs Run built?

It was built in 1962, making it 63 years old in 2025.

What condition is Walton Road 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 Walton Road over Lobbs Run carry?

About 609 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Walton Road over Lobbs Run?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.

Who owns Walton Road over Lobbs Run?

It is owned by the State Highway Agency.