US Bridges

New US-1 By-Pass over Csx;septa

Fair

Bucks County, Pennsylvania · Woodbourne 37F08 · Structure no. 000000000006731

Built
1966
59 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
4 main spans
Daily traffic
50,317
2024 count
Owner
State
State Highway Agency

About this bridge

New US-1 By-Pass over Csx;septa is a steel continuous stringer/multi-beam or girder carrying New US-1 By-Pass over Csx;septa in Bucks County, Pennsylvania. It was built in 1966, so it is 59 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 50,317 vehicles a day, roughly 8% of them trucks, projected to reach 63,196 by 2032. The structure is 333 ft (101.5 m) long and 66 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNew US-1 By-Pass
CrossesCsx;septa
LocationWoodbourne 37F08
RouteU.S. Route 1
Coordinates40.19004, -74.89146
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length333 ft (101.5 m)
Longest span96 ft (29.3 m)
Deck width66 ft (20 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck23 ft (7.1 m)

Traffic and service

Average daily traffic50,317 (2024)
Projected traffic63,196 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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$670,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was New US-1 By-Pass over Csx;septa built?

It was built in 1966, making it 59 years old in 2025.

What condition is New US-1 By-Pass over Csx;septa 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 May 2023.

How much traffic does New US-1 By-Pass over Csx;septa carry?

About 50,317 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is New US-1 By-Pass over Csx;septa?

The structure is 333 ft (101.5 m) long with a longest span of 96 ft (29.3 m) and a deck 66 ft wide.

Who owns New US-1 By-Pass over Csx;septa?

It is owned by the State Highway Agency.