US Bridges

Nj 284 over Branch of Wallkill River

Fair

Sussex County, New Jersey · 0.41 MI S of Ny Border · Structure no. 1907157

Built
1921
104 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
1,332
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 284 over Branch of Wallkill River is a steel stringer/multi-beam or girder carrying Nj 284 over Branch of Wallkill River in Sussex County, New Jersey. It was built in 1921, so it is 104 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 1,332 vehicles a day, roughly 4% of them trucks, projected to reach 1,626 by 2044. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj 284
CrossesBranch of Wallkill River
Location0.41 MI S of Ny Border
RouteState Highway 284
CountySussex County
StateNew Jersey
Coordinates41.28899, -74.55249
Functional classRural Minor Arterial

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length39 ft (11.9 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,332 (2024)
Projected traffic1,626 by 2044
Trucks4%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 284 over Branch of Wallkill River built?

It was built in 1921, making it 104 years old in 2025.

What condition is Nj 284 over Branch of Wallkill 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 2024.

How much traffic does Nj 284 over Branch of Wallkill River carry?

About 1,332 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 284 over Branch of Wallkill River?

The structure is 39 ft (11.9 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns Nj 284 over Branch of Wallkill River?

It is owned by the State Highway Agency.