US Bridges

Nautilus Drive over Fourmile Branch

Fair

Ocean County, New Jersey · 1.1 Mile South Rt 554 · Structure no. 1533009

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
44 ft
2 main spans
Daily traffic
2,170
2024 count
Owner
County
County Highway Agency

About this bridge

Nautilus Drive over Fourmile Branch is a prestressed concrete slab carrying Nautilus Drive over Fourmile Branch in Ocean County, New Jersey. It was built in 1974, so it is 51 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 2,170 vehicles a day, roughly 1% of them trucks, projected to reach 2,604 by 2044. The structure is 44 ft (13.4 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNautilus Drive
CrossesFourmile Branch
Location1.1 Mile South Rt 554
RouteCounty Highway 111
CountyOcean County
StateNew Jersey
Coordinates39.7513, -74.27646
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span19 ft (5.8 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,170 (2024)
Projected traffic2,604 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nautilus Drive over Fourmile Branch built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nautilus Drive over Fourmile Branch 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 2024.

How much traffic does Nautilus Drive over Fourmile Branch carry?

About 2,170 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Nautilus Drive over Fourmile Branch?

The structure is 44 ft (13.4 m) long with a longest span of 19 ft (5.8 m) and a deck 49 ft wide.

Who owns Nautilus Drive over Fourmile Branch?

It is owned by the County Highway Agency.