US Bridges

Pa Tpk Ramp Ab over Pa Tpk (I-476)

Good

Carbon County, Pennsylvania · Mahoning Valley Interch. · Structure no. 000000000009150

Built
1956
69 years old, rebuilt 2009
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
6,480
1994 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk Ramp Ab over Pa Tpk (I-476) is a steel stringer/multi-beam or girder carrying Pa Tpk Ramp Ab over Pa Tpk (I-476) in Carbon County, Pennsylvania. It was built in 1956 and reconstructed in 2009, so it is 69 years old, older 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 6,480 vehicles a day, roughly 8% of them trucks, projected to reach 8,692 by 2030. The structure is 117 ft (35.7 m) long and 38 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesPa Tpk Ramp Ab
CrossesPa Tpk (I-476)
LocationMahoning Valley Interch.
RouteInterstate 476
CountyCarbon County
StatePennsylvania
Coordinates40.83545, -75.67259
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 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 alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span113 ft (34.4 m)
Deck width38 ft (11.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,480 (1994)
Projected traffic8,692 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed18 mi (29 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$161,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk Ramp Ab over Pa Tpk (I-476) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2009.

What condition is Pa Tpk Ramp Ab over Pa Tpk (I-476) 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 July 2023.

How much traffic does Pa Tpk Ramp Ab over Pa Tpk (I-476) carry?

About 6,480 vehicles per day (1994 count), of which roughly 8% are trucks.

How long is Pa Tpk Ramp Ab over Pa Tpk (I-476)?

The structure is 117 ft (35.7 m) long with a longest span of 113 ft (34.4 m) and a deck 38 ft wide.

Who owns Pa Tpk Ramp Ab over Pa Tpk (I-476)?

It is owned by the State Toll Authority.