US Bridges

Delilah RD (CR646) over 2 Water Mains

Fair

Atlantic County, New Jersey · 0.53 MI West Rt 30 · Structure no. 01A0008

Built
2009
16 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
20,870
2023 count
Owner
County
County Highway Agency

About this bridge

Delilah RD (CR646) over 2 Water Mains is a prestressed concrete box beam or girders - multiple carrying Delilah RD (CR646) over 2 Water Mains 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 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 20,870 vehicles a day, roughly 4% of them trucks, projected to reach 25,044 by 2043. The structure is 69 ft (21 m) long and 100 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDelilah RD (CR646)
Crosses2 Water Mains
Location0.53 MI West Rt 30
RouteCounty Highway 646
Coordinates39.39938, -74.50049
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating91.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length69 ft (21 m)
Longest span62 ft (18.9 m)
Deck width100 ft (30.5 m)
Roadway width40 ft (12.2 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
CrossesOther
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 2 Water Mains built?

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

What condition is Delilah RD (CR646) over 2 Water Mains 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 January 2023.

How much traffic does Delilah RD (CR646) over 2 Water Mains carry?

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

How long is Delilah RD (CR646) over 2 Water Mains?

The structure is 69 ft (21 m) long with a longest span of 62 ft (18.9 m) and a deck 100 ft wide.

Who owns Delilah RD (CR646) over 2 Water Mains?

It is owned by the County Highway Agency.