US Bridges

Mount Avenue over Grand Avenue

Fair

Monmouth County, New Jersey · .5 MI North of Nj RT.36 · Structure no. 130MT50

Built
1896
129 years old, rebuilt 1994
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
52 ft
1 main span
Daily traffic
171
2023 count
Owner
County
County Highway Agency

About this bridge

Mount Avenue over Grand Avenue is a concrete arch - deck carrying Mount Avenue over Grand Avenue in Monmouth County, New Jersey. It was built in 1896 and reconstructed in 1994, so it is 129 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 171 vehicles a day, roughly 1% of them trucks, projected to reach 205 by 2043. The structure is 52 ft (15.8 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMount Avenue
CrossesGrand Avenue
Location.5 MI North of Nj RT.36
RouteCity Street 0
CountyMonmouth County
StateNew Jersey
Coordinates40.41088, -74.03052
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic171 (2023)
Projected traffic205 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mount Avenue over Grand Avenue built?

It was built in 1896, making it 129 years old in 2025. It was reconstructed in 1994.

What condition is Mount Avenue over Grand Avenue 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 Mount Avenue over Grand Avenue carry?

About 171 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Mount Avenue over Grand Avenue?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 25 ft wide.

Who owns Mount Avenue over Grand Avenue?

It is owned by the County Highway Agency.