US Bridges

Mount Prospect Ave over Second River

Fair

Essex County, New Jersey · 0.03 Miles South of CR672 · Structure no. 0700035

Built
1910
115 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
41 ft
1 main span
Daily traffic
8,100
2022 count
Owner
County
County Highway Agency

About this bridge

Mount Prospect Ave over Second River is a concrete arch - deck carrying Mount Prospect Ave over Second River in Essex County, New Jersey. It was built in 1910, so it is 115 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 6 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 8,100 vehicles a day, roughly 4% of them trucks, projected to reach 9,884 by 2042. The structure is 41 ft (12.5 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMount Prospect Ave
CrossesSecond River
Location0.03 Miles South of CR672
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.78416, -74.16139
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width60 ft (18.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic9,884 by 2042
Trucks4%
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount Prospect Ave over Second River built?

It was built in 1910, making it 115 years old in 2025.

What condition is Mount Prospect Ave over Second 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 July 2024.

How much traffic does Mount Prospect Ave over Second River carry?

About 8,100 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Mount Prospect Ave over Second River?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 60 ft wide.

Who owns Mount Prospect Ave over Second River?

It is owned by the County Highway Agency.