US Bridges

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

Fair

Hudson County, New Jersey · .1 MI SW Holland Tunnel · Structure no. N00793W

Built
1955
70 years old, rebuilt 2016
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
2,387 ft
27 main spans
Daily traffic
18,199
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nj Tpk Hud.Co.Ext. over Coles ST & Conrail is a steel stringer/multi-beam or girder carrying Nj Tpk Hud.Co.Ext. over Coles ST & 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 18,199 vehicles a day, roughly 3% of them trucks, projected to reach 22,206 by 2044. The structure is 2,387 ft (727.6 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.
CrossesColes ST & Conrail
Location.1 MI SW Holland Tunnel
RouteInterstate 78
CountyHudson County
StateNew Jersey
Coordinates40.73187, -74.05038
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
Deck7 GoodSome minor problems.
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans27
Design loadHS 20
Structure length2,387 ft (727.6 m)
Longest span172 ft (52.4 m)
Deck width42 ft (12.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic18,199 (2024)
Projected traffic22,206 by 2044
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$375,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj Tpk Hud.Co.Ext. over Coles ST & 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 Coles ST & 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 June 2024.

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

About 18,199 vehicles per day (2024 count), of which roughly 3% are trucks.

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

The structure is 2,387 ft (727.6 m) long with a longest span of 172 ft (52.4 m) and a deck 42 ft wide.

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

It is owned by the State Toll Authority.