US Bridges

Brodhead Road over Boggs Run

Good

Allegheny County, Pennsylvania · 1.8 MI NW of SR 3109 · Structure no. 000000000001843

Built
1920
105 years old, rebuilt 2009
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
4,550
2024 count
Owner
State
State Highway Agency

About this bridge

Brodhead Road over Boggs Run is a concrete slab carrying Brodhead Road over Boggs Run in Allegheny County, Pennsylvania. It was built in 1920 and reconstructed in 2009, so it is 105 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,550 vehicles a day, roughly 2% of them trucks, projected to reach 9,438 by 2032. The structure is 29 ft (8.8 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBrodhead Road
CrossesBoggs Run
Location1.8 MI NW of SR 3109
RouteState Highway 0
Coordinates40.53576, -80.23116
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span22 ft (6.7 m)
Deck width37 ft (11.4 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,550 (2024)
Projected traffic9,438 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$280,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Brodhead Road over Boggs Run built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2009.

What condition is Brodhead Road over Boggs 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 November 2023.

How much traffic does Brodhead Road over Boggs Run carry?

About 4,550 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Brodhead Road over Boggs Run?

The structure is 29 ft (8.8 m) long with a longest span of 22 ft (6.7 m) and a deck 37 ft wide.

Who owns Brodhead Road over Boggs Run?

It is owned by the State Highway Agency.