US Bridges

23rd Av. over Green Pond Brook

FairPosted for load

Morris County, New Jersey · 23rd Av & Green Pond Brk · Structure no. DAPAMCPIC000012

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
20
2018 count
Owner
Federal
Army

About this bridge

23rd Av. over Green Pond Brook is a prestressed concrete box beam or girders - multiple carrying 23rd Av. over Green Pond Brook in Morris County, New Jersey. It was built in 1995, so it is 30 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 20% of them trucks, projected to reach 30 by 2046. The structure is 38 ft (11.7 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries23rd Av.
CrossesGreen Pond Brook
Location23rd Av & Green Pond Brk
CountyMorris County
StateNew Jersey
Coordinates40.96384, -74.5332
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span35 ft (10.7 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic30 by 2046
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 23rd Av. over Green Pond Brook built?

It was built in 1995, making it 30 years old in 2025.

What condition is 23rd Av. over Green Pond Brook 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 August 2024.

How much traffic does 23rd Av. over Green Pond Brook carry?

About 20 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is 23rd Av. over Green Pond Brook?

The structure is 38 ft (11.7 m) long with a longest span of 35 ft (10.7 m) and a deck 17 ft wide.

Who owns 23rd Av. over Green Pond Brook?

It is owned by the Army.