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Rte I90 over Exit 30 Ramp

Herkimer County, New York · rated Fair in the 2025 National Bridge Inventory

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

Rte I90 over Exit 30 Ramp in Herkimer County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1955, making it 70 years old at the 2025 inventory.
It carries about 19,533 vehicles a day (traffic count year 2020).
It is one of 101 of the 248 inventoried bridges in Herkimer County rated fair (40.7%); 28 (11.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 50 ft
Location	I-90 at Exit 30 Ramp
NBI structure number	000000005516049
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Rte I90 over NYS Route 28 RTE 28	1954	20,495	Fair
Rte I90 over NY Route 5 RTE 5 West	1994	20,495	Good
Rte I90 over Bridenbaker Creek	1954	20,495	Fair
Rte I90 over Burch Creek	1954	20,495	Fair
Rte I90 over Knapp Creek	1954	20,495	Poor
Rte I90 over Woods Creek	1954	20,495	Fair