US Bridges

Main STREET(CR511) over Pequannock River

Fair

Passaic County, New Jersey · CO Line W of Pat Ham Tpk · Structure no. 1600030

Built
1915
110 years old, rebuilt 1948
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
75 ft
1 main span
Daily traffic
10,010
2023 count
Owner
County
County Highway Agency

About this bridge

Main STREET(CR511) over Pequannock River is a concrete arch - deck carrying Main STREET(CR511) over Pequannock River in Passaic County, New Jersey. It was built in 1915 and reconstructed in 1948, so it is 110 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 10,010 vehicles a day, roughly 4% of them trucks, projected to reach 11,975 by 2043. The structure is 75 ft (22.9 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMain STREET(CR511)
CrossesPequannock River
LocationCO Line W of Pat Ham Tpk
RouteCounty Highway 511
Coordinates41.00358, -74.33484
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span75 ft (22.9 m)
Deck width51 ft (15.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,010 (2023)
Projected traffic11,975 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$125,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Main STREET(CR511) over Pequannock River built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1948.

What condition is Main STREET(CR511) over Pequannock River 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 2023.

How much traffic does Main STREET(CR511) over Pequannock River carry?

About 10,010 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Main STREET(CR511) over Pequannock River?

The structure is 75 ft (22.9 m) long with a longest span of 75 ft (22.9 m) and a deck 51 ft wide.

Who owns Main STREET(CR511) over Pequannock River?

It is owned by the County Highway Agency.