US Bridges

Nj 35 over Mahoras Brook

Fair

Monmouth County, New Jersey · 3.42 MI S of Nj 36 JCT · Structure no. 1313151

Built
1928
97 years old, rebuilt 1968
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
24 ft
1 main span
Daily traffic
44,635
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 35 over Mahoras Brook is a concrete arch - deck carrying Nj 35 over Mahoras Brook in Monmouth County, New Jersey. It was built in 1928 and reconstructed in 1968, so it is 97 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 44,635 vehicles a day, roughly 4% of them trucks, projected to reach 53,562 by 2044. The structure is 24 ft (7.3 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNj 35
CrossesMahoras Brook
Location3.42 MI S of Nj 36 JCT
RouteState Highway 35
CountyMonmouth County
StateNew Jersey
Coordinates40.41136, -74.13892
Functional classUrban Other Principal 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width88 ft (26.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,635 (2024)
Projected traffic53,562 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$331,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 35 over Mahoras Brook built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1968.

What condition is Nj 35 over Mahoras 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 June 2024.

How much traffic does Nj 35 over Mahoras Brook carry?

About 44,635 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 35 over Mahoras Brook?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 88 ft wide.

Who owns Nj 35 over Mahoras Brook?

It is owned by the State Highway Agency.