US Bridges

Delilah RD (CR646) over U.S.Route 30

Good

Atlantic County, New Jersey · 1.76 MI East US 9 · Structure no. 01A0007

Built
2009
16 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
1 main span
Daily traffic
11,359
2023 count
Owner
County
County Highway Agency

About this bridge

Delilah RD (CR646) over U.S.Route 30 is a prestressed concrete stringer/multi-beam or girder carrying Delilah RD (CR646) over U.S.Route 30 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 11,359 vehicles a day, roughly 4% of them trucks, projected to reach 13,630 by 2043. The structure is 148 ft (45.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDelilah RD (CR646)
CrossesU.S.Route 30
Location1.76 MI East US 9
RouteCounty Highway 646
Coordinates39.39619, -74.49269
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106.8 US tons
Inventory rating83.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length148 ft (45.1 m)
Longest span140 ft (42.7 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,359 (2023)
Projected traffic13,630 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 U.S.Route 30 built?

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

What condition is Delilah RD (CR646) over U.S.Route 30 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 U.S.Route 30 carry?

About 11,359 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Delilah RD (CR646) over U.S.Route 30?

The structure is 148 ft (45.1 m) long with a longest span of 140 ft (42.7 m) and a deck 30 ft wide.

Who owns Delilah RD (CR646) over U.S.Route 30?

It is owned by the County Highway Agency.