US Bridges

Irish Valley Road over Little Shamokin Cr.

Good

Northumberland County, Pennsylvania · 2 MI S of Augustaville · Structure no. 000000000053564

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
428
2024 count
Owner
State
State Highway Agency

About this bridge

Irish Valley Road over Little Shamokin Cr. is a prestressed concrete box beam or girders - multiple carrying Irish Valley Road over Little Shamokin Cr. in Northumberland County, Pennsylvania. It was built in 2016, so it is 9 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 428 vehicles a day, roughly 10% of them trucks, projected to reach 850 by 2037. The structure is 51 ft (15.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIrish Valley Road
CrossesLittle Shamokin Cr.
Location2 MI S of Augustaville
RouteState Highway 0
Coordinates40.79071, -76.72462
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic428 (2024)
Projected traffic850 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 Irish Valley Road over Little Shamokin Cr. built?

It was built in 2016, making it 9 years old in 2025.

What condition is Irish Valley Road over Little Shamokin Cr. 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 2024.

How much traffic does Irish Valley Road over Little Shamokin Cr. carry?

About 428 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Irish Valley Road over Little Shamokin Cr.?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns Irish Valley Road over Little Shamokin Cr.?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).