US Bridges

T-664; Tower RD over I-81 Sb; SR 0081

Fair

Cumberland County, Pennsylvania · 1.7 Mi.S. SR 0011 · Structure no. 000000000013714

Built
1973
52 years old, rebuilt 2013
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
3 main spans
Daily traffic
796
2024 count
Owner
State
State Highway Agency

About this bridge

T-664; Tower RD over I-81 Sb; SR 0081 is a prestressed concrete stringer/multi-beam or girder carrying T-664; Tower RD over I-81 Sb; SR 0081 in Cumberland County, Pennsylvania. It was built in 1973 and reconstructed in 2013, so it is 52 years old, younger 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 796 vehicles a day, roughly 7% of them trucks, projected to reach 1,198 by 2032. The structure is 185 ft (56.4 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesT-664; Tower RD
CrossesI-81 Sb; SR 0081
Location1.7 Mi.S. SR 0011
RouteState Highway 0
Coordinates40.30638, -76.95656
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span98 ft (29.9 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic796 (2024)
Projected traffic1,198 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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$311,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-664; Tower RD over I-81 Sb; SR 0081 built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2013.

What condition is T-664; Tower RD over I-81 Sb; 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 May 2024.

How much traffic does T-664; Tower RD over I-81 Sb; SR 0081 carry?

About 796 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is T-664; Tower RD over I-81 Sb; SR 0081?

The structure is 185 ft (56.4 m) long with a longest span of 98 ft (29.9 m) and a deck 48 ft wide.

Who owns T-664; Tower RD over I-81 Sb; SR 0081?

It is owned by the State Highway Agency.