US Bridges

MATAWAN-0. Br. RD over Lefferts Lake

Fair

Middlesex County, New Jersey · 0.33 Miles West of CR 645 · Structure no. 123B040

Built
1929
96 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
47 ft
4 main spans
Daily traffic
9,358
2023 count
Owner
County
County Highway Agency

About this bridge

MATAWAN-0. Br. RD over Lefferts Lake is a steel continuous stringer/multi-beam or girder carrying MATAWAN-0. Br. RD over Lefferts Lake in Middlesex County, New Jersey. It was built in 1929, so it is 96 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 9,358 vehicles a day, roughly 4% of them trucks, projected to reach 11,419 by 2043. The structure is 47 ft (14.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMATAWAN-0. Br. RD
CrossesLefferts Lake
Location0.33 Miles West of CR 645
RouteCounty Highway 516
CountyMiddlesex County
StateNew Jersey
Coordinates40.40728, -74.24837
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOpen grating
Main spans4
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,358 (2023)
Projected traffic11,419 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$310,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was MATAWAN-0. Br. RD over Lefferts Lake built?

It was built in 1929, making it 96 years old in 2025.

What condition is MATAWAN-0. Br. RD over Lefferts Lake 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 MATAWAN-0. Br. RD over Lefferts Lake carry?

About 9,358 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is MATAWAN-0. Br. RD over Lefferts Lake?

The structure is 47 ft (14.3 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns MATAWAN-0. Br. RD over Lefferts Lake?

It is owned by the County Highway Agency.