US Bridges

Pa Tpk (I-76) over T-388

Good

Cumberland County, Pennsylvania · Upper Mifflin Twp. · Structure no. 000000000049108

Built
2014
11 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
21,102
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over T-388 is a prestressed concrete box beam or girders - multiple carrying Pa Tpk (I-76) over T-388 in Cumberland County, Pennsylvania. It was built in 2014, so it is 11 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 21,102 vehicles a day, roughly 38% of them trucks, projected to reach 23,285 by 2030. The structure is 51 ft (15.5 m) long and 121 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesT-388
LocationUpper Mifflin Twp.
RouteInterstate 76
CountyCumberland County
StatePennsylvania
Coordinates40.18052, -77.50639
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width121 ft (36.9 m)
Roadway width115 ft (35.1 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic21,102 (2001)
Projected traffic23,285 by 2030
Trucks38%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed13 mi (21 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over T-388 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Pa Tpk (I-76) over T-388 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 Pa Tpk (I-76) over T-388 carry?

About 21,102 vehicles per day (2001 count), of which roughly 38% are trucks.

How long is Pa Tpk (I-76) over T-388?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 121 ft wide.

Who owns Pa Tpk (I-76) over T-388?

It is owned by the State Toll Authority.