Back Rd over Piscataquis River

Piscataquis County, Maine · rated Poor in the 2025 National Bridge Inventory

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

• Back Rd over Piscataquis River in Piscataquis County, Maine, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
• It was built in 1940, making it 85 years old at the 2025 inventory.
• It carries about 277 vehicles a day (traffic count year 2016).
• Its listed owner is the state highway agency.
• It is one of 17 of the 80 inventoried bridges in Piscataquis County rated poor (21.2%); 17 (21.2%) are rated poor.
• Its traffic status in the 2025 inventory is posted for load (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
• It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
• 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 → (45.18654, -69.44706)

Component ratings

Bridge details

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

Busiest bridges in Piscataquis County

All bridges nearby: Piscataquis County, ME bridge conditions · every bridge in Piscataquis County · Maine bridges.

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