US Bridges

Nj Route 24 over Columbia TURNPIKE(CR510)

Fair

Morris County, New Jersey · Nj Route 24 EXIT-2B · Structure no. 1422165

Built
1993
32 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
243 ft
2 main spans
Daily traffic
98,852
2023 count
Owner
State
State Highway Agency

About this bridge

Nj Route 24 over Columbia TURNPIKE(CR510) is a prestressed concrete stringer/multi-beam or girder carrying Nj Route 24 over Columbia TURNPIKE(CR510) in Morris County, New Jersey. It was built in 1993, so it is 32 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 98,852 vehicles a day, roughly 5% of them trucks, projected to reach 120,618 by 2043. The structure is 243 ft (74.1 m) long and 170 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj Route 24
CrossesColumbia TURNPIKE(CR510)
LocationNj Route 24 EXIT-2B
RouteState Highway 24
CountyMorris County
StateNew Jersey
Coordinates40.792, -74.4277
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length243 ft (74.1 m)
Longest span115 ft (35.1 m)
Deck width170 ft (51.7 m)
Roadway width153 ft (46.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,852 (2023)
Projected traffic120,618 by 2043
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj Route 24 over Columbia TURNPIKE(CR510) built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nj Route 24 over Columbia TURNPIKE(CR510) 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 Nj Route 24 over Columbia TURNPIKE(CR510) carry?

About 98,852 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj Route 24 over Columbia TURNPIKE(CR510)?

The structure is 243 ft (74.1 m) long with a longest span of 115 ft (35.1 m) and a deck 170 ft wide.

Who owns Nj Route 24 over Columbia TURNPIKE(CR510)?

It is owned by the State Highway Agency.