US Bridges

I-81 NB(LR1005) over Altamont Boulevard

Fair

Schuylkill County, Pennsylvania · 0.2 Mi.N.Of EX.124(36) NB · Structure no. 000000000030587

Built
1967
58 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
11,894
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 NB(LR1005) over Altamont Boulevard is a prestressed concrete box beam or girders - multiple carrying I-81 NB(LR1005) over Altamont Boulevard in Schuylkill County, Pennsylvania. It was built in 1967 and reconstructed in 2011, so it is 58 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,894 vehicles a day, roughly 32% of them trucks, projected to reach 15,473 by 2032. The structure is 200 ft (61 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-81 NB(LR1005)
CrossesAltamont Boulevard
Location0.2 Mi.N.Of EX.124(36) NB
RouteInterstate 81
CountySchuylkill County
StatePennsylvania
Coordinates40.77318, -76.22122
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating33 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span76 ft (23.2 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,894 (2024)
Projected traffic15,473 by 2032
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$940,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 NB(LR1005) over Altamont Boulevard built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2011.

What condition is I-81 NB(LR1005) over Altamont Boulevard in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does I-81 NB(LR1005) over Altamont Boulevard carry?

About 11,894 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is I-81 NB(LR1005) over Altamont Boulevard?

The structure is 200 ft (61 m) long with a longest span of 76 ft (23.2 m) and a deck 43 ft wide.

Who owns I-81 NB(LR1005) over Altamont Boulevard?

It is owned by the State Highway Agency.