US Bridges

Mountain Ave over Tributary to East Ditch

Good

Morris County, New Jersey · 0.2 MI East of I-287 · Structure no. 1400284

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
222
2023 count
Owner
County
County Highway Agency

About this bridge

Mountain Ave over Tributary to East Ditch is a concrete culvert carrying Mountain Ave over Tributary to East Ditch in Morris County, New Jersey. It was built in 1993, so it is 32 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 222 vehicles a day, roughly 1% of them trucks, projected to reach 271 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesMountain Ave
CrossesTributary to East Ditch
Location0.2 MI East of I-287
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.97245, -74.32046
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222 (2023)
Projected traffic271 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mountain Ave over Tributary to East Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mountain Ave over Tributary to East Ditch 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 2023.

How much traffic does Mountain Ave over Tributary to East Ditch carry?

About 222 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Mountain Ave over Tributary to East Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m).

Who owns Mountain Ave over Tributary to East Ditch?

It is owned by the County Highway Agency.