US Bridges

Mountainside Ave. over Nj 17

Fair

Bergen County, New Jersey · 0.25 MI S of I-287 Jct. · Structure no. 0218163

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
2 main spans
Daily traffic
11,720
2024 count
Owner
State
State Highway Agency

About this bridge

Mountainside Ave. over Nj 17 is a steel stringer/multi-beam or girder carrying Mountainside Ave. over Nj 17 in Bergen County, New Jersey. It was built in 1955, so it is 70 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 11,720 vehicles a day, roughly 1% of them trucks, projected to reach 14,300 by 2044. The structure is 142 ft (43.3 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMountainside Ave.
CrossesNj 17
Location0.25 MI S of I-287 Jct.
RouteCity Street 0
Coordinates41.10224, -74.16725
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span69 ft (21 m)
Deck width63 ft (19.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,720 (2024)
Projected traffic14,300 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mountainside Ave. over Nj 17 built?

It was built in 1955, making it 70 years old in 2025.

What condition is Mountainside Ave. over Nj 17 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 2024.

How much traffic does Mountainside Ave. over Nj 17 carry?

About 11,720 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mountainside Ave. over Nj 17?

The structure is 142 ft (43.3 m) long with a longest span of 69 ft (21 m) and a deck 63 ft wide.

Who owns Mountainside Ave. over Nj 17?

It is owned by the State Highway Agency.