T-797 over Salt Spring Run

Tioga County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory

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

• T-797 over Salt Spring Run in Tioga County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 1 (imminent failure condition) on the 0-9 scale.
• It was built in 1935, making it 90 years old at the 2025 inventory.
• It carries about 5 vehicles a day (traffic count year 2001).
• Its listed owner is a town or township highway agency.
• It is one of 14 of the 431 inventoried bridges in Tioga County rated poor (3.2%); 14 (3.2%) are rated poor.
• Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated July 2023, on a 24-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 1): scour critical: field review indicates failure of piers or abutments is imminent.
• A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

View this bridge on a map → (41.56449, -77.01409)

Component ratings

Bridge details

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

Busiest bridges in Tioga County

All bridges nearby: Tioga County, PA bridge conditions · every bridge in Tioga County · Pennsylvania bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.