US Bridges

Nj 15 NB over Main Street

Good

Sussex County, New Jersey · 0.2 Mile South of CR 517 · Structure no. 1913154

Built
1973
52 years old, rebuilt 2020
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
11,425
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 15 NB over Main Street is a steel stringer/multi-beam or girder carrying Nj 15 NB over Main Street in Sussex County, New Jersey. It was built in 1973 and reconstructed in 2020, so it is 52 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,425 vehicles a day, roughly 4% of them trucks, projected to reach 13,941 by 2044. The structure is 70 ft (21.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 15 NB
CrossesMain Street
Location0.2 Mile South of CR 517
RouteState Highway 15
Coordinates41.04137, -74.6304
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating73.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span65 ft (19.8 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,425 (2024)
Projected traffic13,941 by 2044
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$875,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 15 NB over Main Street built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2020.

What condition is Nj 15 NB over Main Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Nj 15 NB over Main Street carry?

About 11,425 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 15 NB over Main Street?

The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.8 m) and a deck 56 ft wide.

Who owns Nj 15 NB over Main Street?

It is owned by the State Highway Agency.