FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 46

Carrying STATE ROUTE 46 over STUBBS BROOK

2.7 MI N OF JCT RTE US 1, Hancock, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating Higher than 71% of rated Maine bridges

STATE ROUTE 46 in Hancock, Maine is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1938, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure ME:3561

PRE-1950 · CONCRETE · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: STATE ROUTE 46

The STATE ROUTE 46 bridge in Hancock, Maine carries STATE ROUTE 46 over STUBBS BROOK. It was built in 1938, making it 88 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.2 meters (30 feet) end to end. Daily traffic averages 1,263 vehicles, placing it in the moderately-trafficked tier of Maine bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How STATE ROUTE 46 compares

▲ 5.3
Load rating vs Maine average (39.1 t; 2,518 rated)
70
Bridges in Hancock · 16 in Poor condition

Age against the county: built in 1938, earlier than 52 of Hancock's 70 bridges with a recorded construction year (74%), against a county median build year of 1958. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

STATE ROUTE 46 44.4 t
Maine average (2,518 rated) 39.1 t

Live comparison across Maine bridges with a recorded inventory load rating (2,518 rated).

STATE ROUTE 46 vs every rated Maine bridge

Inventory load rating (metric tons), FHWA NBI, this state

44 Top 29% higher than 71% of 2,518 bridges

rated Maine bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
44.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Hancock inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 70 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1938
Material
Concrete
Number of Spans
1
Structure Length
9.2 m (30 ft)
Deck Width
8.3 m (27 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,263 vehicles/day
Structure Number
3561

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether STATE ROUTE 46 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare STATE ROUTE 46 against other structures in Hancock and across Maine. Maine bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for STATE ROUTE 46?

STATE ROUTE 46 in Hancock, Maine has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is STATE ROUTE 46 inspected?

STATE ROUTE 46's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 1,263 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 46 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for STATE ROUTE 46?

STATE ROUTE 46 has an NBI inventory load rating of 44.4 metric tons.

Who is responsible for maintaining STATE ROUTE 46?

STATE ROUTE 46 is owned and maintained by State Highway Agency.

How old is STATE ROUTE 46 and does age affect safety?

STATE ROUTE 46 was built in 1938, making it 88 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.