US Bridges

T-571 over Pa Tpk (I-76)

Good

Cumberland County, Pennsylvania · Silver Spring Twp · Structure no. 000000000014020

Built
1949
76 years old
Condition
Good
inspected February 2023
Type
Frame
Concrete
Length
87 ft
1 main span
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-571 over Pa Tpk (I-76) is a concrete frame carrying T-571 over Pa Tpk (I-76) in Cumberland County, Pennsylvania. It was built in 1949, so it is 76 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 315 by 2030. The structure is 87 ft (26.5 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-571
CrossesPa Tpk (I-76)
LocationSilver Spring Twp
RouteCity Street 571
Coordinates40.21688, -77.08809
Functional classRural Local

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 inspectionFebruary 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 rating52 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span78 ft (23.8 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$82,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-571 over Pa Tpk (I-76) built?

It was built in 1949, making it 76 years old in 2025.

What condition is T-571 over Pa Tpk (I-76) 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 February 2023.

How much traffic does T-571 over Pa Tpk (I-76) carry?

About 200 vehicles per day (1992 count), of which roughly 10% are trucks.

How long is T-571 over Pa Tpk (I-76)?

The structure is 87 ft (26.5 m) long with a longest span of 78 ft (23.8 m) and a deck 25 ft wide.

Who owns T-571 over Pa Tpk (I-76)?

It is owned by the State Toll Authority.