US Bridges

Noblestown Road over Branch Robinson Run

Good

Allegheny County, Pennsylvania · 1 Mi.N.E./Wash.Co.Line · Structure no. 000000000056761

Built
2019
6 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
3,330
2024 count
Owner
State
State Highway Agency

About this bridge

Noblestown Road over Branch Robinson Run is a concrete culvert carrying Noblestown Road over Branch Robinson Run in Allegheny County, Pennsylvania. It was built in 2019, so it is 6 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,330 vehicles a day, roughly 5% of them trucks, projected to reach 4,431 by 2032. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNoblestown Road
CrossesBranch Robinson Run
Location1 Mi.N.E./Wash.Co.Line
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.37328, -80.22283
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,330 (2024)
Projected traffic4,431 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Noblestown Road over Branch Robinson Run built?

It was built in 2019, making it 6 years old in 2025.

What condition is Noblestown Road over Branch Robinson Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does Noblestown Road over Branch Robinson Run carry?

About 3,330 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Noblestown Road over Branch Robinson Run?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.

Who owns Noblestown Road over Branch Robinson Run?

It is owned by the State Highway Agency.