Route

NY 421

1 bridges carry it · 1 indexed contracts · 1 STIP entries name it

Bridges carrying NY 421 1

BINCarries / crossesCountyOwnerBuiltCondition
1048280
Bridge
NY421
over BOG RIVER
St. LawrenceNYSDOT1925Good
Source: NYSDOT Bridges. Our copy checked Oct 31, 2026. Matched by the route at the start of the bridge's carried feature.

Programmed projects naming NY 421 1

  • WEST SHORE RIVER LINE RR CROSSINGS SAFETY IMPROVEMENTS
    Programmed FFY 2027 $16M · Rockland
Source: Statewide Transportation Improvement Program (STIP), updated Jun 23, 2026. Our copy checked Oct 31, 2026. Matched by route words in the title (RT 414, NY 414, Route 414).

Latest contracts on NY 421 1

  • D263766Awarded Sep 10, 20189 structures
    Replacement of Rustic Guide Rail, Minor Bridge Work Along Various State Routes Within Adirondack Park
    NY 30, NY 458, NY 56, NY 421 · Tupper Lake (town), Santa Clara (town), Duane (town), Hopkinton (town), Waverly (town), Colton (town), Piercefield (town), Saranac Lake (village), Ausable (town), Ogdensburg (city) · Clinton and others · PIN 7805.84.101 · 60 sheets indexed
Source: NYSDOT Highway Record Plans, updated Jun 26, 2026. Our copy checked Oct 31, 2026.

Road inventory and traffic

Segment facts (lanes, functional class, AADT by segment) are in NYSDOT's viewers, which have no documented public data service yet.