US Bridges

Clay Furnace Road over Magargee Run

Good

Mercer County, Pennsylvania · 3/4MI SE of Neshannock RD · Structure no. 000000000026165

Built
1973
52 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
85
2019 count
Owner
County
County Highway Agency

About this bridge

Clay Furnace Road over Magargee Run is a prestressed concrete box beam or girders - multiple carrying Clay Furnace Road over Magargee Run in Mercer County, Pennsylvania. It was built in 1973, so it is 52 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 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 85 vehicles a day, roughly 4% of them trucks, projected to reach 120 by 2039. The structure is 44 ft (13.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesClay Furnace Road
CrossesMagargee Run
Location3/4MI SE of Neshannock RD
RouteCity Street 7211
CountyMercer County
StatePennsylvania
Coordinates41.27047, -80.38535
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2019)
Projected traffic120 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Clay Furnace Road over Magargee Run built?

It was built in 1973, making it 52 years old in 2025.

What condition is Clay Furnace Road over Magargee 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 August 2023.

How much traffic does Clay Furnace Road over Magargee Run carry?

About 85 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Clay Furnace Road over Magargee Run?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.

Who owns Clay Furnace Road over Magargee Run?

It is owned by the County Highway Agency.