US Bridges

18th Ave(cr 30 Ii) over Wreck Pond Brook

Good

Monmouth County, New Jersey · 1.25 MI West Nj Rt 35 · Structure no. 1300W16

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
1,319
2023 count
Owner
County
County Highway Agency

About this bridge

18th Ave(cr 30 Ii) over Wreck Pond Brook is a prestressed concrete box beam or girders - multiple carrying 18th Ave(cr 30 Ii) over Wreck Pond Brook in Monmouth County, New Jersey. It was built in 2004, so it is 21 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 1,319 vehicles a day, roughly 3% of them trucks, projected to reach 1,583 by 2043. The structure is 59 ft (18 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries18th Ave(cr 30 Ii)
CrossesWreck Pond Brook
Location1.25 MI West Nj Rt 35
RouteCounty Highway 30
Coordinates40.16613, -74.0705
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (18 m)
Longest span54 ft (16.5 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,319 (2023)
Projected traffic1,583 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 18th Ave(cr 30 Ii) over Wreck Pond Brook built?

It was built in 2004, making it 21 years old in 2025.

What condition is 18th Ave(cr 30 Ii) over Wreck Pond Brook 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 March 2023.

How much traffic does 18th Ave(cr 30 Ii) over Wreck Pond Brook carry?

About 1,319 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is 18th Ave(cr 30 Ii) over Wreck Pond Brook?

The structure is 59 ft (18 m) long with a longest span of 54 ft (16.5 m) and a deck 40 ft wide.

Who owns 18th Ave(cr 30 Ii) over Wreck Pond Brook?

It is owned by the County Highway Agency.