US Bridges

Hinchman Avenue over Singac Brook

Fair

Passaic County, New Jersey · 0.1 S.Of Pat-Ham TPK(504) · Structure no. 1600139

Built
1952
73 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
7,260
2023 count
Owner
County
County Highway Agency

About this bridge

Hinchman Avenue over Singac Brook is a steel stringer/multi-beam or girder carrying Hinchman Avenue over Singac Brook in Passaic County, New Jersey. It was built in 1952, so it is 73 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 7,260 vehicles a day, roughly 1% of them trucks, projected to reach 8,860 by 2043. The structure is 29 ft (8.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHinchman Avenue
CrossesSingac Brook
Location0.1 S.Of Pat-Ham TPK(504)
RouteCity Street 0
Coordinates40.95596, -74.22385
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating31 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width50 ft (15.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,260 (2023)
Projected traffic8,860 by 2043
Trucks1%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hinchman Avenue over Singac Brook built?

It was built in 1952, making it 73 years old in 2025.

What condition is Hinchman Avenue over Singac 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 March 2023.

How much traffic does Hinchman Avenue over Singac Brook carry?

About 7,260 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Hinchman Avenue over Singac Brook?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 50 ft wide.

Who owns Hinchman Avenue over Singac Brook?

It is owned by the County Highway Agency.