US Bridges

Delilah RD (CR646) over Nj Transit (a.C. Line)

Good

Atlantic County, New Jersey · 0.47 MI W.Of RT30 · Structure no. 01A0006

Built
2009
16 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
366 ft
3 main spans
Daily traffic
20,870
2023 count
Owner
County
County Highway Agency

About this bridge

Delilah RD (CR646) over Nj Transit (a.C. Line) is a prestressed concrete continuous stringer/multi-beam or girder carrying Delilah RD (CR646) over Nj Transit (a.C. Line) in Atlantic County, New Jersey. It was built in 2009, so it is 16 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,870 vehicles a day, roughly 4% of them trucks, projected to reach 25,044 by 2043. The structure is 366 ft (111.6 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDelilah RD (CR646)
CrossesNj Transit (a.C. Line)
Location0.47 MI W.Of RT30
RouteCounty Highway 646
Coordinates39.39808, -74.49746
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating70.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length366 ft (111.6 m)
Longest span127 ft (38.7 m)
Deck width51 ft (15.5 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,870 (2023)
Projected traffic25,044 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Delilah RD (CR646) over Nj Transit (a.C. Line) built?

It was built in 2009, making it 16 years old in 2025.

What condition is Delilah RD (CR646) over Nj Transit (a.C. Line) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Delilah RD (CR646) over Nj Transit (a.C. Line) carry?

About 20,870 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Delilah RD (CR646) over Nj Transit (a.C. Line)?

The structure is 366 ft (111.6 m) long with a longest span of 127 ft (38.7 m) and a deck 51 ft wide.

Who owns Delilah RD (CR646) over Nj Transit (a.C. Line)?

It is owned by the County Highway Agency.