US Bridges

Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail

Fair

Hudson County, New Jersey · .2 MI SW Holland Tunnel · Structure no. N00790E

Built
1955
70 years old, rebuilt 2016
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
2,003 ft
25 main spans
Daily traffic
20,768
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail is a steel stringer/multi-beam or girder carrying Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail in Hudson County, New Jersey. It was built in 1955 and reconstructed in 2016, so it is 70 years old, older 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 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 20,768 vehicles a day, roughly 1% of them trucks, projected to reach 25,341 by 2044. The structure is 2,003 ft (610.5 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNj Tpk Hud.Co.Ext.
CrossesMonmouth Coles & Conrail
Location.2 MI SW Holland Tunnel
RouteInterstate 78
CountyHudson County
StateNew Jersey
Coordinates40.73028, -74.05134
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans25
Design loadHS 20
Structure length2,003 ft (610.5 m)
Longest span210 ft (64 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,768 (2024)
Projected traffic25,341 by 2044
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$375,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2016.

What condition is Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail 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 2024.

How much traffic does Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail carry?

About 20,768 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail?

The structure is 2,003 ft (610.5 m) long with a longest span of 210 ft (64 m) and a deck 42 ft wide.

Who owns Nj Tpk Hud.Co.Ext. over Monmouth Coles & Conrail?

It is owned by the State Toll Authority.