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Rte 13 over Buttermilk Creek

Tompkins County, New York · rated Good in the 2025 National Bridge Inventory

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

Rte 13 over Buttermilk Creek in Tompkins County, New York, 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 1995, making it 30 years old at the 2025 inventory.
It carries about 17,743 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 70 of the 192 inventoried bridges in Tompkins County rated good (36.5%); 28 (14.6%) 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 84 ft
Location	0.3 Mi NE Jct Rts 13 &13A
NBI structure number	000000001010330
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Rte 13 over Cascadilla Creek	1965	31,683	Fair
Rte 13 over Fall Creek	1965	31,683	Good
Rte 13 over Sixmile Creek	1965	21,382	Good
Rte 13 over Norfolk Southern Cayuga	1996	18,178	Fair
Rte 13 over Enfield Creek	1995	17,343	Fair
Rte 13 over Trb Enfield Creek	1995	17,343	Fair