US Bridges

SR 641 Lr 507 over Pa Tpk (I-76)

Fair

Cumberland County, Pennsylvania · Silver Spring Twp · Structure no. 000000000014024

Built
1949
76 years old
Condition
Fair
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
119 ft
1 main span
Daily traffic
11,666
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 641 Lr 507 over Pa Tpk (I-76) is a steel girder and floorbeam system carrying SR 641 Lr 507 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 fair condition with a lowest component rating of 5 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 11,666 vehicles a day, roughly 4% of them trucks, projected to reach 13,802 by 2030. The structure is 119 ft (36.3 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 641 Lr 507
CrossesPa Tpk (I-76)
LocationSilver Spring Twp
RouteState Highway 641
CountyCumberland County
StatePennsylvania
Coordinates40.20288, -77.04277
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span115 ft (35.1 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic11,666 (2023)
Projected traffic13,802 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 641 Lr 507 over Pa Tpk (I-76) built?

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

What condition is SR 641 Lr 507 over Pa Tpk (I-76) 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 February 2023.

How much traffic does SR 641 Lr 507 over Pa Tpk (I-76) carry?

About 11,666 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 641 Lr 507 over Pa Tpk (I-76)?

The structure is 119 ft (36.3 m) long with a longest span of 115 ft (35.1 m) and a deck 50 ft wide.

Who owns SR 641 Lr 507 over Pa Tpk (I-76)?

It is owned by the State Toll Authority.