US Bridges

Snake Den Road over West Brook

Good

Passaic County, New Jersey · At JCT of West Brook · Structure no. 1600368

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
265
2023 count
Owner
County
County Highway Agency

About this bridge

Snake Den Road over West Brook is a prestressed concrete slab carrying Snake Den Road over West Brook in Passaic County, New Jersey. It was built in 1997, so it is 28 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 265 vehicles a day, roughly 1% of them trucks, projected to reach 324 by 2043. The structure is 29 ft (8.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSnake Den Road
CrossesWest Brook
LocationAt JCT of West Brook
RouteCity Street 0
CountyPassaic County
StateNew Jersey
Coordinates41.08456, -74.35053
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating78 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2023)
Projected traffic324 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Snake Den Road over West Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is Snake Den Road over West 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 Snake Den Road over West Brook carry?

About 265 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Snake Den Road over West Brook?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.

Who owns Snake Den Road over West Brook?

It is owned by the County Highway Agency.