US Bridges

New US-1 By-Pass over Woolston Drive

Fair

Bucks County, Pennsylvania · Interc.Woolston DR.38F07 · Structure no. 000000000006742

Built
1985
40 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
57,174
2024 count
Owner
State
State Highway Agency

About this bridge

New US-1 By-Pass over Woolston Drive is a prestressed concrete box beam or girders - multiple carrying New US-1 By-Pass over Woolston Drive in Bucks County, Pennsylvania. It was built in 1985, so it is 40 years old, younger 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 57,174 vehicles a day, roughly 6% of them trucks, projected to reach 60,940 by 2032. The structure is 155 ft (47.2 m) long and 92 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNew US-1 By-Pass
CrossesWoolston Drive
LocationInterc.Woolston DR.38F07
RouteU.S. Route 1
CountyBucks County
StatePennsylvania
Coordinates40.19426, -74.82414
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length155 ft (47.2 m)
Longest span86 ft (26.2 m)
Deck width92 ft (28 m)
Roadway width85 ft (26 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic57,174 (2024)
Projected traffic60,940 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 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 New US-1 By-Pass over Woolston Drive built?

It was built in 1985, making it 40 years old in 2025.

What condition is New US-1 By-Pass over Woolston Drive 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 2024.

How much traffic does New US-1 By-Pass over Woolston Drive carry?

About 57,174 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is New US-1 By-Pass over Woolston Drive?

The structure is 155 ft (47.2 m) long with a longest span of 86 ft (26.2 m) and a deck 92 ft wide.

Who owns New US-1 By-Pass over Woolston Drive?

It is owned by the State Highway Agency.