US Bridges

Hardenburgh Av C80 over Tenakill Brook

Fair

Bergen County, New Jersey · .02 Mi.West of CR 501 · Structure no. 020009A

Built
1900
125 years old, rebuilt 1999
Condition
Fair
inspected April 2024
Type
Arch - Deck
Masonry
Length
32 ft
1 main span
Daily traffic
1,599
2024 count
Owner
County
County Highway Agency

About this bridge

Hardenburgh Av C80 over Tenakill Brook is a masonry arch - deck carrying Hardenburgh Av C80 over Tenakill Brook in Bergen County, New Jersey. It was built in 1900 and reconstructed in 1999, so it is 125 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 1,599 vehicles a day, roughly 4% of them trucks, projected to reach 1,951 by 2044. The structure is 32 ft (9.8 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHardenburgh Av C80
CrossesTenakill Brook
Location.02 Mi.West of CR 501
RouteCounty Highway 80II
CountyBergen County
StateNew Jersey
Coordinates40.95714, -73.96233
Functional classUrban Minor 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width61 ft (18.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,599 (2024)
Projected traffic1,951 by 2044
Trucks4%
Lanes on structure3
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 statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$45,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hardenburgh Av C80 over Tenakill Brook built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1999.

What condition is Hardenburgh Av C80 over Tenakill 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 April 2024.

How much traffic does Hardenburgh Av C80 over Tenakill Brook carry?

About 1,599 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Hardenburgh Av C80 over Tenakill Brook?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 61 ft wide.

Who owns Hardenburgh Av C80 over Tenakill Brook?

It is owned by the County Highway Agency.