US Bridges

SR 44 @ Allenwood over W.B. Susquehanna River

Good

Northumberland County, Pennsylvania · Allenwood River Bridge · Structure no. 000000000028971

Built
1990
35 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,026 ft
7 main spans
Daily traffic
3,688
2023 count
Owner
State
State Highway Agency

About this bridge

SR 44 @ Allenwood over W.B. Susquehanna River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 44 @ Allenwood over W.B. Susquehanna River in Northumberland County, Pennsylvania. It was built in 1990, so it is 35 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 3,688 vehicles a day, roughly 10% of them trucks, projected to reach 5,096 by 2032. The structure is 1,026 ft (312.7 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 44 @ Allenwood
CrossesW.B. Susquehanna River
LocationAllenwood River Bridge
RouteState Highway 44
Coordinates41.10791, -76.89007
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length1,026 ft (312.7 m)
Longest span147 ft (44.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,688 (2023)
Projected traffic5,096 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 44 @ Allenwood over W.B. Susquehanna River built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 44 @ Allenwood over W.B. 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 August 2023.

How much traffic does SR 44 @ Allenwood over W.B. Susquehanna River carry?

About 3,688 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 44 @ Allenwood over W.B. Susquehanna River?

The structure is 1,026 ft (312.7 m) long with a longest span of 147 ft (44.8 m) and a deck 35 ft wide.

Who owns SR 44 @ Allenwood over W.B. Susquehanna River?

It is owned by the State Highway Agency.