US Bridges

Welisewitz Road over Trib of Back Brook

Fair

Hunterdon County, New Jersey · 0.14 MI NW of CR 602 · Structure no. 100E236

Built
1920
105 years old, rebuilt 2002
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
44 ft
1 main span
Daily traffic
95
2023 count
Owner
County
County Highway Agency

About this bridge

Welisewitz Road over Trib of Back Brook is a steel truss - thru carrying Welisewitz Road over Trib of Back Brook in Hunterdon County, New Jersey. It was built in 1920 and reconstructed in 2002, so it is 105 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 95 vehicles a day, roughly 3% of them trucks, projected to reach 115 by 2043. The structure is 44 ft (13.4 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWelisewitz Road
CrossesTrib of Back Brook
Location0.14 MI NW of CR 602
CountyHunterdon County
StateNew Jersey
Coordinates40.46386, -74.7859
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.4 m)
Longest span43 ft (13.1 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2023)
Projected traffic115 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$987,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Welisewitz Road over Trib of Back Brook built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2002.

What condition is Welisewitz Road over Trib of Back 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 May 2023.

How much traffic does Welisewitz Road over Trib of Back Brook carry?

About 95 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Welisewitz Road over Trib of Back Brook?

The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 17 ft wide.

Who owns Welisewitz Road over Trib of Back Brook?

It is owned by the County Highway Agency.