US Bridges

I-81 Nb; SR 0081 over 641; Trindle RD

Fair

Cumberland County, Pennsylvania · I-81 over Pa 641 · Structure no. 000000000013684

Built
1963
62 years old, rebuilt 1995
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
31,734
2024 count
Owner
State
State Highway Agency

About this bridge

I-81 Nb; SR 0081 over 641; Trindle RD is a prestressed concrete box beam or girders - multiple carrying I-81 Nb; SR 0081 over 641; Trindle RD in Cumberland County, Pennsylvania. It was built in 1963 and reconstructed in 1995, 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 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 31,734 vehicles a day, roughly 29% of them trucks, projected to reach 39,955 by 2032. The structure is 140 ft (42.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-81 Nb; SR 0081
Crosses641; Trindle RD
LocationI-81 over Pa 641
RouteInterstate 81
CountyCumberland County
StatePennsylvania
Coordinates40.1992, -77.15859
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
Deck7 GoodSome minor problems.
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 inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length140 ft (42.7 m)
Longest span74 ft (22.6 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,734 (2024)
Projected traffic39,955 by 2032
Trucks29%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Nb; SR 0081 over 641; Trindle RD built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is I-81 Nb; SR 0081 over 641; Trindle RD 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 April 2024.

How much traffic does I-81 Nb; SR 0081 over 641; Trindle RD carry?

About 31,734 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is I-81 Nb; SR 0081 over 641; Trindle RD?

The structure is 140 ft (42.7 m) long with a longest span of 74 ft (22.6 m) and a deck 52 ft wide.

Who owns I-81 Nb; SR 0081 over 641; Trindle RD?

It is owned by the State Highway Agency.