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21ST Street over Avalon Canal

Cape May County, New Jersey · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

21ST Street over Avalon Canal in Cape May County, New Jersey, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 1,840 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 16 of the 74 inventoried bridges in Cape May County rated good (21.6%); 8 (10.8%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 143 ft
Location	0.03 Mi West Ocean Drive
NBI structure number	0500010
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the New Jersey department of transportation.

Bridge	Built	Vehicles/day	Condition
Nj 52 over Beach Thoro & Rainbow Ch	2012	23,870	Fair
CR623(ROOSEVELT B) over Svc Rds Crook Horn Thoro	1962	19,770	Fair
Nj 47-wildwoodblvd over Grassy Sound	1950	18,048	Fair
Nj 47 over Dennis Creek	2007	17,794	Fair
Nj 147 over Grassy Sound	1994	17,155	Fair
Nj 147 over Beach Creek	1993	17,001	Fair