US Bridges

Mill Road over Memorial Lake

Fair

Salem County, New Jersey · 0.6 MI South of US 40 · Structure no. 1700449

Built
1922
103 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
47 ft
2 main spans
Daily traffic
597
2023 count
Owner
County
County Highway Agency

About this bridge

Mill Road over Memorial Lake is a concrete tee beam carrying Mill Road over Memorial Lake in Salem County, New Jersey. It was built in 1922, so it is 103 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 597 vehicles a day, roughly 3% of them trucks, projected to reach 728 by 2043. The structure is 47 ft (14.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMill Road
CrossesMemorial Lake
Location0.6 MI South of US 40
RouteCity Street 0
CountySalem County
StateNew Jersey
Coordinates39.6435, -75.33031
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span22 ft (6.7 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic597 (2023)
Projected traffic728 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Road over Memorial Lake built?

It was built in 1922, making it 103 years old in 2025.

What condition is Mill Road over Memorial 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 August 2023.

How much traffic does Mill Road over Memorial Lake carry?

About 597 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Mill Road over Memorial Lake?

The structure is 47 ft (14.3 m) long with a longest span of 22 ft (6.7 m) and a deck 23 ft wide.

Who owns Mill Road over Memorial Lake?

It is owned by the County Highway Agency.