US Bridges

Mccan Mill Road over Lamington River

Fair

Hunterdon County, New Jersey · 2.0 Miles North of CR 523 · Structure no. 100T35S

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
63 ft
1 main span
Daily traffic
148
2023 count
Owner
County
County Highway Agency

About this bridge

Mccan Mill Road over Lamington River is a steel truss - thru carrying Mccan Mill Road over Lamington River in Hunterdon County, New Jersey. It was built in 1930, so it is 95 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 148 vehicles a day, roughly 3% of them trucks, projected to reach 178 by 2043. The structure is 63 ft (19.2 m) long and 17 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesMccan Mill Road
CrossesLamington River
Location2.0 Miles North of CR 523
CountyHunterdon County
StateNew Jersey
Coordinates40.69009, -74.72276
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148 (2023)
Projected traffic178 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mccan Mill Road over Lamington River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mccan Mill Road over Lamington River 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 Mccan Mill Road over Lamington River carry?

About 148 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Mccan Mill Road over Lamington River?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 17 ft wide.

Who owns Mccan Mill Road over Lamington River?

It is owned by the County Highway Agency.