US Bridges

Warsaw Road over Trib.To Delaware River

Fair

Hunterdon County, New Jersey · 0.3 MI East Nj 29 JCT · Structure no. 1000078

Built
1900
125 years old, rebuilt 1996
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
209
2023 count
Owner
County
County Highway Agency

About this bridge

Warsaw Road over Trib.To Delaware River is a steel stringer/multi-beam or girder carrying Warsaw Road over Trib.To Delaware River in Hunterdon County, New Jersey. It was built in 1900 and reconstructed in 1996, so it is 125 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 209 vehicles a day, roughly 3% of them trucks, projected to reach 255 by 2043. The structure is 25 ft (7.6 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWarsaw Road
CrossesTrib.To Delaware River
Location0.3 MI East Nj 29 JCT
RouteCity Street 0
CountyHunterdon County
StateNew Jersey
Coordinates40.45978, -75.06019
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2023)
Projected traffic255 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$196,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Warsaw Road over Trib.To Delaware River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1996.

What condition is Warsaw Road over Trib.To Delaware 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 March 2023.

How much traffic does Warsaw Road over Trib.To Delaware River carry?

About 209 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Warsaw Road over Trib.To Delaware River?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 17 ft wide.

Who owns Warsaw Road over Trib.To Delaware River?

It is owned by the County Highway Agency.