US Bridges

US 1 By-Pass (nb) over Newark Road

Fair

Chester County, Pennsylvania · Near Avondale 46G4 · Structure no. 000000000009908

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
16,272
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 By-Pass (nb) over Newark Road is a prestressed concrete box beam or girders - multiple carrying US 1 By-Pass (nb) over Newark Road in Chester County, Pennsylvania. It was built in 1965, so it is 60 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 16,272 vehicles a day, roughly 4% of them trucks, projected to reach 18,446 by 2032. The structure is 42 ft (12.8 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 1 By-Pass (nb)
CrossesNewark Road
LocationNear Avondale 46G4
RouteU.S. Route 1
CountyChester County
StatePennsylvania
Coordinates39.84617, -75.76625
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width55 ft (16.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,272 (2024)
Projected traffic18,446 by 2032
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 By-Pass (nb) over Newark Road built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 1 By-Pass (nb) over Newark Road 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 US 1 By-Pass (nb) over Newark Road carry?

About 16,272 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 1 By-Pass (nb) over Newark Road?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 55 ft wide.

Who owns US 1 By-Pass (nb) over Newark Road?

It is owned by the State Highway Agency.