US Bridges

I-81 SB (lr 1005) over Oak Grove Road

Good

Schuylkill County, Pennsylvania · 1 Mi. N. of Exit 100 (31) · Structure no. 000000000042284

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
11,843
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 SB (lr 1005) over Oak Grove Road is a prestressed concrete box beam or girders - multiple carrying I-81 SB (lr 1005) over Oak Grove Road in Schuylkill County, Pennsylvania. It was built in 2004, so it is 21 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 11,843 vehicles a day, roughly 33% of them trucks, projected to reach 17,705 by 2032. The structure is 65 ft (19.8 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-81 SB (lr 1005)
CrossesOak Grove Road
Location1 Mi. N. of Exit 100 (31)
RouteInterstate 81
CountySchuylkill County
StatePennsylvania
Coordinates40.55061, -76.43094
Functional classRural Principal Arterial - Interstate

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,843 (2024)
Projected traffic17,705 by 2032
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-81 SB (lr 1005) over Oak Grove Road built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-81 SB (lr 1005) over Oak Grove Road 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 July 2024.

How much traffic does I-81 SB (lr 1005) over Oak Grove Road carry?

About 11,843 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is I-81 SB (lr 1005) over Oak Grove Road?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 45 ft wide.

Who owns I-81 SB (lr 1005) over Oak Grove Road?

It is owned by the State Highway Agency.