US Bridges

New US-1 By-Pass over Trenton AVENUE;RTE.1

Fair

Bucks County, Pennsylvania · S.Woolston Drive 38G07 · Structure no. 000000000006743

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
1 main span
Daily traffic
57,174
2024 count
Owner
State
State Highway Agency

About this bridge

New US-1 By-Pass over Trenton AVENUE;RTE.1 is a steel stringer/multi-beam or girder carrying New US-1 By-Pass over Trenton AVENUE;RTE.1 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 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 57,174 vehicles a day, roughly 6% of them trucks, projected to reach 60,940 by 2032. The structure is 287 ft (87.5 m) long and 81 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNew US-1 By-Pass
CrossesTrenton AVENUE;RTE.1
LocationS.Woolston Drive 38G07
RouteU.S. Route 1
CountyBucks County
StatePennsylvania
Coordinates40.19431, -74.81703
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
Deck7 GoodSome minor problems.
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 inspectionJune 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 rating100 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length287 ft (87.5 m)
Longest span171 ft (52.1 m)
Deck width81 ft (24.8 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic57,174 (2024)
Projected traffic60,940 by 2032
Trucks6%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$468,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was New US-1 By-Pass over Trenton AVENUE;RTE.1 built?

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

What condition is New US-1 By-Pass over Trenton AVENUE;RTE.1 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 June 2024.

How much traffic does New US-1 By-Pass over Trenton AVENUE;RTE.1 carry?

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

How long is New US-1 By-Pass over Trenton AVENUE;RTE.1?

The structure is 287 ft (87.5 m) long with a longest span of 171 ft (52.1 m) and a deck 81 ft wide.

Who owns New US-1 By-Pass over Trenton AVENUE;RTE.1?

It is owned by the State Highway Agency.