US Bridges

SR 147 over SR 45

Good

Northumberland County, Pennsylvania · 0.5 MI E of Montandon · Structure no. 000000000042144

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
1 main span
Daily traffic
9,170
2023 count
Owner
State
State Highway Agency

About this bridge

SR 147 over SR 45 is a prestressed concrete stringer/multi-beam or girder carrying SR 147 over SR 45 in Northumberland County, Pennsylvania. It was built in 2003, so it is 22 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 9,170 vehicles a day, roughly 12% of them trucks, projected to reach 9,193 by 2032. The structure is 138 ft (42.1 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 147
CrossesSR 45
Location0.5 MI E of Montandon
RouteState Highway 147
CountyNorthumberland County
StatePennsylvania
Coordinates40.96464, -76.84368
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length138 ft (42.1 m)
Longest span135 ft (41.1 m)
Deck width45 ft (13.8 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,170 (2023)
Projected traffic9,193 by 2032
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 147 over SR 45 built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR 147 over SR 45 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 SR 147 over SR 45 carry?

About 9,170 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 147 over SR 45?

The structure is 138 ft (42.1 m) long with a longest span of 135 ft (41.1 m) and a deck 45 ft wide.

Who owns SR 147 over SR 45?

It is owned by the State Highway Agency.