US Bridges

I-81SB (lr 1005) over Reading/Northern RR

Good

Schuylkill County, Pennsylvania · 0.4MI.N. of Exit 134 (38) · Structure no. 000000000048277

Built
2013
12 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
248 ft
3 main spans
Daily traffic
12,608
2024 count
Owner
State
State Highway Agency

About this bridge

I-81SB (lr 1005) over Reading/Northern RR is a prestressed concrete stringer/multi-beam or girder carrying I-81SB (lr 1005) over Reading/Northern RR in Schuylkill County, Pennsylvania. It was built in 2013, so it is 12 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 12,608 vehicles a day, roughly 31% of them trucks, projected to reach 18,333 by 2037. The structure is 248 ft (75.6 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesI-81SB (lr 1005)
CrossesReading/Northern RR
Location0.4MI.N. of Exit 134 (38)
RouteInterstate 81
Coordinates40.84115, -76.05974
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length248 ft (75.6 m)
Longest span88 ft (26.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,608 (2024)
Projected traffic18,333 by 2037
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.7 mi (14 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-81SB (lr 1005) over Reading/Northern RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is I-81SB (lr 1005) over Reading/Northern RR 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 October 2023.

How much traffic does I-81SB (lr 1005) over Reading/Northern RR carry?

About 12,608 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is I-81SB (lr 1005) over Reading/Northern RR?

The structure is 248 ft (75.6 m) long with a longest span of 88 ft (26.8 m) and a deck 43 ft wide.

Who owns I-81SB (lr 1005) over Reading/Northern RR?

It is owned by the State Highway Agency.