US Bridges

Nj 15 SB over Main Street

Fair

Sussex County, New Jersey · 0.2 Mile South of CR 517 · Structure no. 1913155

Built
1973
52 years old, rebuilt 2020
Condition
Fair
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 SB over Main Street is a steel stringer/multi-beam or girder carrying Nj 15 SB 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 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 11,425 vehicles a day, roughly 4% of them trucks, projected to reach 13,940 by 2044. The structure is 70 ft (21.3 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 15 SB
CrossesMain Street
Location0.2 Mile South of CR 517
RouteState Highway 15
Coordinates41.0413, -74.63076
Functional classUrban Other Principal 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span64 ft (19.5 m)
Deck width59 ft (18 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,425 (2024)
Projected traffic13,940 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$911,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 15 SB 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 SB over Main Street 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 July 2024.

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

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

How long is Nj 15 SB over Main Street?

The structure is 70 ft (21.3 m) long with a longest span of 64 ft (19.5 m) and a deck 59 ft wide.

Who owns Nj 15 SB over Main Street?

It is owned by the State Highway Agency.