US Bridges

County Route 18I over Shark River Tributary.

Fair

Monmouth County, New Jersey · 0.14 West of Nj 35 · Structure no. 1300W33

Built
2012
13 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
10,911
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 18I over Shark River Tributary. is a concrete frame carrying County Route 18I over Shark River Tributary. in Monmouth 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 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 10,911 vehicles a day, roughly 4% of them trucks, projected to reach 13,093 by 2043. The structure is 22 ft (6.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Route 18I
CrossesShark River Tributary.
Location0.14 West of Nj 35
RouteCounty Highway 18
CountyMonmouth County
StateNew Jersey
Coordinates40.17649, -74.04388
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width40 ft (12.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,911 (2023)
Projected traffic13,093 by 2043
Trucks4%
Lanes on structure2
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

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 County Route 18I over Shark River Tributary. built?

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

What condition is County Route 18I over Shark River Tributary. 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 February 2023.

How much traffic does County Route 18I over Shark River Tributary. carry?

About 10,911 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 18I over Shark River Tributary.?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.

Who owns County Route 18I over Shark River Tributary.?

It is owned by the County Highway Agency.