US Bridges

State Street over Lobbs Run

Fair

Allegheny County, Pennsylvania · 440001 at Floreffe Vfd · Structure no. 000000000040759

Built
1999
26 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

State Street over Lobbs Run is a concrete arch - deck carrying State Street over Lobbs Run in Allegheny County, Pennsylvania. It was built in 1999, so it is 26 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 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 550 by 2039. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Street
CrossesLobbs Run
Location440001 at Floreffe Vfd
RouteCity Street 0
Coordinates40.25918, -79.91744
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating40 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2018)
Projected traffic550 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 State Street over Lobbs Run built?

It was built in 1999, making it 26 years old in 2025.

What condition is State Street 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 April 2024.

How much traffic does State Street over Lobbs Run carry?

About 500 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is State Street over Lobbs Run?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns State Street over Lobbs Run?

It is owned by the City or Municipal Highway Agency.