US Bridges

Nj 71 over Shark River

Fair

Monmouth County, New Jersey · 0.5MI S of NJ35&71 JCT · Structure no. 1321150

Built
1932
93 years old, rebuilt 1989
Condition
Fair
inspected June 2023
Type
Movable - Bascule
Steel
Length
860 ft
1 main span
Daily traffic
7,029
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 71 over Shark River is a steel movable - bascule carrying Nj 71 over Shark River in Monmouth County, New Jersey. It was built in 1932 and reconstructed in 1989, so it is 93 years old, older 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 7,029 vehicles a day, roughly 4% of them trucks, projected to reach 8,576 by 2043. The structure is 860 ft (262.1 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 71
CrossesShark River
Location0.5MI S of NJ35&71 JCT
RouteState Highway 71
Coordinates40.18472, -74.02356
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
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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+9 approach)
Design loadH 20
Structure length860 ft (262.1 m)
Longest span90 ft (27.4 m)
Deck width69 ft (20.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,029 (2023)
Projected traffic8,576 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Nj 71 over Shark River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1989.

What condition is Nj 71 over Shark River 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 June 2023.

How much traffic does Nj 71 over Shark River carry?

About 7,029 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 71 over Shark River?

The structure is 860 ft (262.1 m) long with a longest span of 90 ft (27.4 m) and a deck 69 ft wide.

Who owns Nj 71 over Shark River?

It is owned by the State Highway Agency.