US Bridges

Fairfield ROAD/679 over Singac Brook

Good

Passaic County, New Jersey · 0.1 MI S of US 80 · Structure no. 1600514

Built
1964
61 years old, rebuilt 2017
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
3,444
2023 count
Owner
County
County Highway Agency

About this bridge

Fairfield ROAD/679 over Singac Brook is a steel stringer/multi-beam or girder carrying Fairfield ROAD/679 over Singac Brook in Passaic County, New Jersey. It was built in 1964 and reconstructed in 2017, so it is 61 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 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 3,444 vehicles a day, roughly 3% of them trucks, projected to reach 4,202 by 2043. The structure is 100 ft (30.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFairfield ROAD/679
CrossesSingac Brook
Location0.1 MI S of US 80
RouteCounty Highway 679
CountyPassaic County
StateNew Jersey
Coordinates40.89367, -74.26561
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.6 US tons
Inventory rating65.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span55 ft (16.8 m)
Deck width52 ft (15.8 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,444 (2023)
Projected traffic4,202 by 2043
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.7 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fairfield ROAD/679 over Singac Brook built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2017.

What condition is Fairfield ROAD/679 over Singac 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 April 2023.

How much traffic does Fairfield ROAD/679 over Singac Brook carry?

About 3,444 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Fairfield ROAD/679 over Singac Brook?

The structure is 100 ft (30.5 m) long with a longest span of 55 ft (16.8 m) and a deck 52 ft wide.

Who owns Fairfield ROAD/679 over Singac Brook?

It is owned by the County Highway Agency.