US Bridges

Van Lieus Road over Back Brook

PoorClosed to traffic

Hunterdon County, New Jersey · 0.8 Mile North of CR 602 · Structure no. 10XX243

Built
1910
115 years old, rebuilt 1973
Condition
Poor
inspected May 2023
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
459
2021 count
Owner
County
County Highway Agency

About this bridge

Van Lieus Road over Back Brook is a steel truss - thru carrying Van Lieus Road over Back Brook in Hunterdon County, New Jersey. It was built in 1910 and reconstructed in 1973, so it is 115 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 459 vehicles a day, projected to reach 560 by 2041. The structure is 60 ft (18.3 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesVan Lieus Road
CrossesBack Brook
Location0.8 Mile North of CR 602
RouteCity Street 0
Coordinates40.45193, -74.816
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating19 US tons
Inventory rating11 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2021)
Projected traffic560 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Van Lieus Road over Back Brook built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1973.

What condition is Van Lieus Road over Back Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Van Lieus Road over Back Brook carry?

About 459 vehicles per day (2021 count).

How long is Van Lieus Road over Back Brook?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns Van Lieus Road over Back Brook?

It is owned by the County Highway Agency.