US Bridges

Ramp Y over Nj 29 NB & SB

Fair

Mercer County, New Jersey · Adjacent to Delaware Riv. · Structure no. 3300024

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
286 ft
4 main spans
Daily traffic
1,450
2023 count
Owner
Private
Private (other than railroad)

About this bridge

Ramp Y over Nj 29 NB & SB is a steel continuous stringer/multi-beam or girder carrying Ramp Y over Nj 29 NB & SB in Mercer County, New Jersey. It was built in 1969, so it is 56 years old, younger than the New Jersey average of 58.5 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 1,450 vehicles a day, roughly 5% of them trucks, projected to reach 2,050 by 2043. The structure is 286 ft (87.2 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp Y
CrossesNj 29 NB & SB
LocationAdjacent to Delaware Riv.
RouteU.S. Route 1
CountyMercer County
StateNew Jersey
Coordinates40.21167, -74.765
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length286 ft (87.2 m)
Longest span93 ft (28.3 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2023)
Projected traffic2,050 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
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 Ramp Y over Nj 29 NB & SB built?

It was built in 1969, making it 56 years old in 2025.

What condition is Ramp Y over Nj 29 NB & SB 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 2023.

How much traffic does Ramp Y over Nj 29 NB & SB carry?

About 1,450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ramp Y over Nj 29 NB & SB?

The structure is 286 ft (87.2 m) long with a longest span of 93 ft (28.3 m) and a deck 28 ft wide.

Who owns Ramp Y over Nj 29 NB & SB?

It is owned by the Private (other than railroad).