US Bridges

US 322 over Big Ditch

Good

Atlantic County, New Jersey · 2.81 MI West of Nj 50 · Structure no. 0119156

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
41 ft
1 main span
Daily traffic
16,480
2024 count
Owner
State
State Highway Agency

About this bridge

US 322 over Big Ditch is a concrete culvert carrying US 322 over Big Ditch in Atlantic County, New Jersey. It was built in 2012, so it is 13 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 16,480 vehicles a day, roughly 4% of them trucks, projected to reach 20,107 by 2044. The structure is 41 ft (12.5 m) long and 92 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 322
CrossesBig Ditch
Location2.81 MI West of Nj 50
RouteU.S. Route 322
Coordinates39.49972, -74.75423
Functional classRural 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span29 ft (8.8 m)
Deck width92 ft (28 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,480 (2024)
Projected traffic20,107 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 322 over Big Ditch built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 322 over Big Ditch 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 December 2024.

How much traffic does US 322 over Big Ditch carry?

About 16,480 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 322 over Big Ditch?

The structure is 41 ft (12.5 m) long with a longest span of 29 ft (8.8 m) and a deck 92 ft wide.

Who owns US 322 over Big Ditch?

It is owned by the State Highway Agency.