US Bridges

T-427 over Pa Tpk (I-76)

Good

Cumberland County, Pennsylvania · West Pennsboro Twp · Structure no. 000000000013995

Built
2005
20 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
163 ft
2 main spans
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-427 over Pa Tpk (I-76) is a prestressed concrete continuous box beam or girders - multiple carrying T-427 over Pa Tpk (I-76) in Cumberland County, Pennsylvania. It was built in 2005, so it is 20 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 6% of them trucks, projected to reach 315 by 2030. The structure is 163 ft (49.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesT-427
CrossesPa Tpk (I-76)
LocationWest Pennsboro Twp
RouteCity Street 0T427
CountyCumberland County
StatePennsylvania
Coordinates40.20341, -77.36031
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating47 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length163 ft (49.7 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$261,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-427 over Pa Tpk (I-76) built?

It was built in 2005, making it 20 years old in 2025.

What condition is T-427 over Pa Tpk (I-76) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does T-427 over Pa Tpk (I-76) carry?

About 200 vehicles per day (1992 count), of which roughly 6% are trucks.

How long is T-427 over Pa Tpk (I-76)?

The structure is 163 ft (49.7 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns T-427 over Pa Tpk (I-76)?

It is owned by the State Toll Authority.