US Bridges

Pa Tpk (I-76) over SR4007 Mountain RD

Good

Cumberland County, Pennsylvania · Upper Mifflin Twp · Structure no. 000000000056168

Built
2018
7 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
2 main spans
Daily traffic
21,102
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR4007 Mountain RD is a prestressed concrete box beam or girders - multiple carrying Pa Tpk (I-76) over SR4007 Mountain RD in Cumberland County, Pennsylvania. It was built in 2018, so it is 7 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 41 ft (12.5 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)
CrossesSR4007 Mountain RD
LocationUpper Mifflin Twp
RouteInterstate 76
CountyCumberland County
StatePennsylvania
Coordinates40.17708, -77.52708
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width121 ft (37 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over SR4007 Mountain RD built?

It was built in 2018, making it 7 years old in 2025.

What condition is Pa Tpk (I-76) over SR4007 Mountain RD 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 SR4007 Mountain RD carry?

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

How long is Pa Tpk (I-76) over SR4007 Mountain RD?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 121 ft wide.

Who owns Pa Tpk (I-76) over SR4007 Mountain RD?

It is owned by the State Toll Authority.