US Bridges

T-452; Alleman RD over I-81 ; SR 0081

Fair

Franklin County, Pennsylvania · 0.5 Ml. N.Of Marion · Structure no. 000000000017372

Built
1963
62 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
222 ft
4 main spans
Daily traffic
566
2024 count
Owner
State
State Highway Agency

About this bridge

T-452; Alleman RD over I-81 ; SR 0081 is a prestressed concrete box beam or girders - multiple carrying T-452; Alleman RD over I-81 ; SR 0081 in Franklin County, Pennsylvania. It was built in 1963, so it is 62 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 6 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 566 vehicles a day, roughly 22% of them trucks, projected to reach 895 by 2032. The structure is 222 ft (67.7 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesT-452; Alleman RD
CrossesI-81 ; SR 0081
Location0.5 Ml. N.Of Marion
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates39.86314, -77.68447
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating31 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span74 ft (22.6 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic566 (2024)
Projected traffic895 by 2032
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$504,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-452; Alleman RD over I-81 ; SR 0081 built?

It was built in 1963, making it 62 years old in 2025.

What condition is T-452; Alleman RD over I-81 ; SR 0081 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 January 2024.

How much traffic does T-452; Alleman RD over I-81 ; SR 0081 carry?

About 566 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is T-452; Alleman RD over I-81 ; SR 0081?

The structure is 222 ft (67.7 m) long with a longest span of 74 ft (22.6 m) and a deck 33 ft wide.

Who owns T-452; Alleman RD over I-81 ; SR 0081?

It is owned by the State Highway Agency.