US Bridges

SR 147 over Over Boile Run

Good

Northumberland County, Pennsylvania · 8 MI S of Sunbury · Structure no. 000000000029039

Built
1991
34 years old
Condition
Good
inspected December 2022
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
3,464
2024 count
Owner
State
State Highway Agency

About this bridge

SR 147 over Over Boile Run is a prestressed concrete slab carrying SR 147 over Over Boile Run in Northumberland County, Pennsylvania. It was built in 1991, so it is 34 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 3,464 vehicles a day, roughly 12% of them trucks, projected to reach 4,072 by 2032. The structure is 29 ft (8.8 m) long and 40 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesSR 147
CrossesOver Boile Run
Location8 MI S of Sunbury
RouteState Highway 147
CountyNorthumberland County
StatePennsylvania
Coordinates40.75893, -76.83837
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,464 (2024)
Projected traffic4,072 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 147 over Over Boile Run built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 147 over Over Boile 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 December 2022.

How much traffic does SR 147 over Over Boile Run carry?

About 3,464 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR 147 over Over Boile Run?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 40 ft wide.

Who owns SR 147 over Over Boile Run?

It is owned by the State Highway Agency.