US Bridges

Seventh Avenue over Montclair-Boonton Line

Fair

Essex County, New Jersey · 100FT W of Roseville Ave · Structure no. 0762150

Built
1905
120 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
1 main span
Daily traffic
3,600
2023 count
Owner
Unknown
Unknown

About this bridge

Seventh Avenue over Montclair-Boonton Line is a steel stringer/multi-beam or girder carrying Seventh Avenue over Montclair-Boonton Line in Essex County, New Jersey. It was built in 1905 and reconstructed in 1990, so it is 120 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 3,600 vehicles a day, roughly 1% of them trucks, projected to reach 2,320 by 2043. The structure is 87 ft (26.5 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSeventh Avenue
CrossesMontclair-Boonton Line
Location100FT W of Roseville Ave
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.75526, -74.19169
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 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
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating78 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span78 ft (23.8 m)
Deck width54 ft (16.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic2,320 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Seventh Avenue over Montclair-Boonton Line built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1990.

What condition is Seventh Avenue over Montclair-Boonton Line 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 Seventh Avenue over Montclair-Boonton Line carry?

About 3,600 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Seventh Avenue over Montclair-Boonton Line?

The structure is 87 ft (26.5 m) long with a longest span of 78 ft (23.8 m) and a deck 54 ft wide.

Who owns Seventh Avenue over Montclair-Boonton Line?

It is owned by the Unknown and maintained by the Other State Agency.