US Bridges

SR 2104 Fox Mine R over Over SR 79 Nb/Sb

Poor

Mercer County, Pennsylvania · Jackson Township · Structure no. 000000000025751

Built
1965
60 years old, rebuilt 2022
Condition
Poor
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
228 ft
5 main spans
Daily traffic
255
2023 count
Owner
State
State Highway Agency

About this bridge

SR 2104 Fox Mine R over Over SR 79 Nb/Sb is a prestressed concrete box beam or girders - multiple carrying SR 2104 Fox Mine R over Over SR 79 Nb/Sb in Mercer County, Pennsylvania. It was built in 1965 and reconstructed in 2022, so it is 60 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 255 vehicles a day, roughly 12% of them trucks, projected to reach 253 by 2032. The structure is 228 ft (69.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 2104 Fox Mine R
CrossesOver SR 79 Nb/Sb
LocationJackson Township
RouteState Highway 0
Coordinates41.29568, -80.15796
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.9 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span59 ft (18 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2023)
Projected traffic253 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$254,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 2104 Fox Mine R over Over SR 79 Nb/Sb built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2022.

What condition is SR 2104 Fox Mine R over Over SR 79 Nb/Sb in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.

How much traffic does SR 2104 Fox Mine R over Over SR 79 Nb/Sb carry?

About 255 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 2104 Fox Mine R over Over SR 79 Nb/Sb?

The structure is 228 ft (69.5 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.

Who owns SR 2104 Fox Mine R over Over SR 79 Nb/Sb?

It is owned by the State Highway Agency.