US Bridges

Nj 79 over Big Brook

Fair

Monmouth County, New Jersey · 1.06 MI North of Nj 18 · Structure no. 1322152

Built
1938
87 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
10,725
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 79 over Big Brook is a concrete culvert carrying Nj 79 over Big Brook in Monmouth County, New Jersey. It was built in 1938, so it is 87 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 10,725 vehicles a day, roughly 4% of them trucks, projected to reach 13,087 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNj 79
CrossesBig Brook
Location1.06 MI North of Nj 18
RouteState Highway 79
CountyMonmouth County
StateNew Jersey
Coordinates40.32396, -74.2443
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,725 (2024)
Projected traffic13,087 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nj 79 over Big Brook built?

It was built in 1938, making it 87 years old in 2025.

What condition is Nj 79 over Big Brook 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 May 2024.

How much traffic does Nj 79 over Big Brook carry?

About 10,725 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 79 over Big Brook?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Nj 79 over Big Brook?

It is owned by the State Highway Agency.