US Bridges

Pa 641; Newburg RD over Laughlin Run

Fair

Franklin County, Pennsylvania · 4 Mi.E. of Roxbury · Structure no. 000000000017442

Built
1932
93 years old, rebuilt 1983
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
1,478
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 641; Newburg RD over Laughlin Run is a steel stringer/multi-beam or girder carrying Pa 641; Newburg RD over Laughlin Run in Franklin County, Pennsylvania. It was built in 1932 and reconstructed in 1983, so it is 93 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 1,478 vehicles a day, roughly 8% of them trucks, projected to reach 1,823 by 2032. The structure is 34 ft (10.4 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesPa 641; Newburg RD
CrossesLaughlin Run
Location4 Mi.E. of Roxbury
RouteState Highway 641
Coordinates40.13123, -77.57916
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,478 (2024)
Projected traffic1,823 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 641; Newburg RD over Laughlin Run built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1983.

What condition is Pa 641; Newburg RD over Laughlin Run 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 March 2024.

How much traffic does Pa 641; Newburg RD over Laughlin Run carry?

About 1,478 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Pa 641; Newburg RD over Laughlin Run?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Pa 641; Newburg RD over Laughlin Run?

It is owned by the State Highway Agency.