US Bridges

Pa Tpk (I-76) over Letort Spring Run

Fair

Cumberland County, Pennsylvania · Middlesex Twp · Structure no. 000000000014015

Built
1950
75 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
82 ft
2 main spans
Daily traffic
20,357
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Letort Spring Run is a concrete tee beam carrying Pa Tpk (I-76) over Letort Spring Run in Cumberland County, Pennsylvania. It was built in 1950, so it is 75 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 20,357 vehicles a day, roughly 29% of them trucks, projected to reach 23,799 by 2030. The structure is 82 ft (25 m) long and 74 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesLetort Spring Run
LocationMiddlesex Twp
RouteInterstate 76
CountyCumberland County
StatePennsylvania
Coordinates40.22839, -77.14035
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length82 ft (25 m)
Longest span39 ft (11.9 m)
Deck width74 ft (22.6 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,357 (2001)
Projected traffic23,799 by 2030
Trucks29%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over Letort Spring Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pa Tpk (I-76) over Letort Spring Run 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 February 2023.

How much traffic does Pa Tpk (I-76) over Letort Spring Run carry?

About 20,357 vehicles per day (2001 count), of which roughly 29% are trucks.

How long is Pa Tpk (I-76) over Letort Spring Run?

The structure is 82 ft (25 m) long with a longest span of 39 ft (11.9 m) and a deck 74 ft wide.

Who owns Pa Tpk (I-76) over Letort Spring Run?

It is owned by the State Toll Authority.