US Bridges

US 30-WHITEHORSEPK over Garretts Ditch

Fair

Atlantic County, New Jersey · 1.6 Miles East of US 9 · Structure no. 0103158

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
104 ft
3 main spans
Daily traffic
29,032
2023 count
Owner
State
State Highway Agency

About this bridge

US 30-WHITEHORSEPK over Garretts Ditch is a prestressed concrete slab carrying US 30-WHITEHORSEPK over Garretts Ditch in Atlantic County, New Jersey. It was built in 1994, so it is 31 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 5 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 29,032 vehicles a day, roughly 4% of them trucks, projected to reach 35,425 by 2043. The structure is 104 ft (31.7 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 30-WHITEHORSEPK
CrossesGarretts Ditch
Location1.6 Miles East of US 9
RouteU.S. Route 30
Coordinates39.40978, -74.49184
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span35 ft (10.7 m)
Deck width90 ft (27.4 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,032 (2023)
Projected traffic35,425 by 2043
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30-WHITEHORSEPK over Garretts Ditch built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 30-WHITEHORSEPK over Garretts Ditch 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 April 2023.

How much traffic does US 30-WHITEHORSEPK over Garretts Ditch carry?

About 29,032 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 30-WHITEHORSEPK over Garretts Ditch?

The structure is 104 ft (31.7 m) long with a longest span of 35 ft (10.7 m) and a deck 90 ft wide.

Who owns US 30-WHITEHORSEPK over Garretts Ditch?

It is owned by the State Highway Agency.