US Bridges

New US-1 Bypass over Norfolk Southern

Poor

Bucks County, Pennsylvania · .3MI.SW of I-95 37G07 · Structure no. 000000000006734

Built
1966
59 years old, rebuilt 1996
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
244 ft
3 main spans
Daily traffic
60,959
2024 count
Owner
State
State Highway Agency

About this bridge

New US-1 Bypass over Norfolk Southern is a steel continuous stringer/multi-beam or girder carrying New US-1 Bypass over Norfolk Southern in Bucks County, Pennsylvania. It was built in 1966 and reconstructed in 1996, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 60,959 vehicles a day, roughly 8% of them trucks, projected to reach 74,308 by 2032. The structure is 244 ft (74.4 m) long and 66 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNew US-1 Bypass
CrossesNorfolk Southern
Location.3MI.SW of I-95 37G07
RouteU.S. Route 1
Coordinates40.19187, -74.88513
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span92 ft (28 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 traffic60,959 (2024)
Projected traffic74,308 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$945,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was New US-1 Bypass over Norfolk Southern built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1996.

What condition is New US-1 Bypass over Norfolk Southern in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does New US-1 Bypass over Norfolk Southern carry?

About 60,959 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is New US-1 Bypass over Norfolk Southern?

The structure is 244 ft (74.4 m) long with a longest span of 92 ft (28 m) and a deck 66 ft wide.

Who owns New US-1 Bypass over Norfolk Southern?

It is owned by the State Highway Agency.