US Bridges

SR 2103 Mill Brook over Over SR 79 Nb/Sb

Fair

Mercer County, Pennsylvania · Jackson Township · Structure no. 000000000025746

Built
1966
59 years old, rebuilt 2024
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
238 ft
5 main spans
Daily traffic
123
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2103 Mill Brook over Over SR 79 Nb/Sb is a prestressed concrete box beam or girders - multiple carrying SR 2103 Mill Brook over Over SR 79 Nb/Sb in Mercer County, Pennsylvania. It was built in 1966 and reconstructed in 2024, so it is 59 years old, older 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 123 vehicles a day, roughly 8% of them trucks, projected to reach 199 by 2032. The structure is 238 ft (72.5 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 2103 Mill Brook
CrossesOver SR 79 Nb/Sb
LocationJackson Township
RouteState Highway 0
CountyMercer County
StatePennsylvania
Coordinates41.24195, -80.16061
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating38 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2024)
Projected traffic199 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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$110,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 2103 Mill Brook over Over SR 79 Nb/Sb built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2024.

What condition is SR 2103 Mill Brook over Over SR 79 Nb/Sb 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 July 2024.

How much traffic does SR 2103 Mill Brook over Over SR 79 Nb/Sb carry?

About 123 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 2103 Mill Brook over Over SR 79 Nb/Sb?

The structure is 238 ft (72.5 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns SR 2103 Mill Brook over Over SR 79 Nb/Sb?

It is owned by the State Highway Agency.