US Bridges

Service Ramps A&b over Pa Tpk (I-476)

Fair

Carbon County, Pennsylvania · Hickory Run S.P. · Structure no. 000000000009160

Built
1957
68 years old, rebuilt 1991
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
3 main spans
Daily traffic
2,000
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

Service Ramps A&b over Pa Tpk (I-476) is a steel stringer/multi-beam or girder carrying Service Ramps A&b over Pa Tpk (I-476) in Carbon County, Pennsylvania. It was built in 1957 and reconstructed in 1991, so it is 68 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,147 by 2030. The structure is 130 ft (39.6 m) long and 37 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesService Ramps A&b
CrossesPa Tpk (I-476)
LocationHickory Run S.P.
RouteState Highway 0
Coordinates40.97225, -75.62861
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span74 ft (22.6 m)
Deck width37 ft (11.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (1992)
Projected traffic3,147 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a toll road
National Highway SystemYes

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$686,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Service Ramps A&b over Pa Tpk (I-476) built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1991.

What condition is Service Ramps A&b over Pa Tpk (I-476) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Service Ramps A&b over Pa Tpk (I-476) carry?

About 2,000 vehicles per day (1992 count), of which roughly 5% are trucks.

How long is Service Ramps A&b over Pa Tpk (I-476)?

The structure is 130 ft (39.6 m) long with a longest span of 74 ft (22.6 m) and a deck 37 ft wide.

Who owns Service Ramps A&b over Pa Tpk (I-476)?

It is owned by the State Toll Authority.