US Bridges

Pa Tpk (I-76) over SR 4008 LR21036

Good

Cumberland County, Pennsylvania · Lower Mifflin Twp · Structure no. 000000000046472

Built
2009
16 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
21,473
2010 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR 4008 LR21036 is a prestressed concrete box beam or girders - multiple carrying Pa Tpk (I-76) over SR 4008 LR21036 in Cumberland County, Pennsylvania. It was built in 2009, so it is 16 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 21,473 vehicles a day, roughly 31% of them trucks, projected to reach 22,982 by 2030. The structure is 52 ft (15.8 m) long and 121 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSR 4008 LR21036
LocationLower Mifflin Twp
RouteInterstate 76
CountyCumberland County
StatePennsylvania
Coordinates40.19574, -77.41569
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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width121 ft (37 m)
Roadway width115 ft (35.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,473 (2010)
Projected traffic22,982 by 2030
Trucks31%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 SR 4008 LR21036 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Pa Tpk (I-76) over SR 4008 LR21036 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 SR 4008 LR21036 carry?

About 21,473 vehicles per day (2010 count), of which roughly 31% are trucks.

How long is Pa Tpk (I-76) over SR 4008 LR21036?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 121 ft wide.

Who owns Pa Tpk (I-76) over SR 4008 LR21036?

It is owned by the State Toll Authority.