US Bridges

SR 147 over Susquehanna River

Good

Northumberland County, Pennsylvania · Susq River Xing Csvt · Structure no. 000000000056914

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
4,545 ft
15 main spans
Daily traffic
14,615
2024 count
Owner
State
State Highway Agency

About this bridge

SR 147 over Susquehanna River is a steel continuous stringer/multi-beam or girder carrying SR 147 over Susquehanna River in Northumberland County, Pennsylvania. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,615 vehicles a day, roughly 10% of them trucks, projected to reach 17,832 by 2044. The structure is 4,545 ft (1,385.3 m) long and 90 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 147
CrossesSusquehanna River
LocationSusq River Xing Csvt
RouteState Highway 147
Coordinates40.90417, -76.83806
Functional classRural Local

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHL 93
Structure length4,545 ft (1,385.3 m)
Longest span350 ft (106.7 m)
Deck width90 ft (27.4 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,615 (2024)
Projected traffic17,832 by 2044
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed98.8 mi (159 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 147 over Susquehanna River built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 147 over Susquehanna River 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 March 2024.

How much traffic does SR 147 over Susquehanna River carry?

About 14,615 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 147 over Susquehanna River?

The structure is 4,545 ft (1,385.3 m) long with a longest span of 350 ft (106.7 m) and a deck 90 ft wide.

Who owns SR 147 over Susquehanna River?

It is owned by the State Highway Agency.