US Bridges

US-1 Bypass (nb) over Br. E.Br. White Clay Cr.

Fair

Chester County, Pennsylvania · Near West Grove; 45K06 · Structure no. 000000000009899

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
15,876
2024 count
Owner
State
State Highway Agency

About this bridge

US-1 Bypass (nb) over Br. E.Br. White Clay Cr. is a prestressed concrete box beam or girders - multiple carrying US-1 Bypass (nb) over Br. E.Br. White Clay Cr. in Chester County, Pennsylvania. It was built in 1967, so it is 58 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 15,876 vehicles a day, roughly 6% of them trucks, projected to reach 18,948 by 2032. The structure is 32 ft (9.8 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS-1 Bypass (nb)
CrossesBr. E.Br. White Clay Cr.
LocationNear West Grove; 45K06
RouteU.S. Route 1
CountyChester County
StatePennsylvania
Coordinates39.83501, -75.81339
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,876 (2024)
Projected traffic18,948 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-1 Bypass (nb) over Br. E.Br. White Clay Cr. built?

It was built in 1967, making it 58 years old in 2025.

What condition is US-1 Bypass (nb) over Br. E.Br. White Clay Cr. 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 July 2023.

How much traffic does US-1 Bypass (nb) over Br. E.Br. White Clay Cr. carry?

About 15,876 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is US-1 Bypass (nb) over Br. E.Br. White Clay Cr.?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns US-1 Bypass (nb) over Br. E.Br. White Clay Cr.?

It is owned by the State Highway Agency.