FHWA NBI 2024 Inspection record Public-domain dataset

GRANITE ST

Carrying GRANITE ST over MILLINOCKET STREAM

.4 MI. W. MEDWAY RD, Penobscot, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
14 t Inventory load rating Lower than 97% of rated Maine bridges

GRANITE ST in Penobscot, Maine sits above 3% of rated Maine bridges on inventory load rating (14 t), while its 1937 build year is earlier than 89% of Penobscot's recorded-year cohort (301 bridges).

GRANITE ST in Penobscot, Maine is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1937, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:0902

PRE-1950 · STEEL · SINGLE-SPAN · DECK-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial ADT
  • LIGHT-LOAD Light load
  • CAT-POOR Poor

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: GRANITE ST

The GRANITE ST bridge in Penobscot, Maine carries GRANITE ST over MILLINOCKET STREAM. It was built in 1937, making it 89 years old today. The structure is built primarily of steel and spans 1 section, stretching 28.0 meters (92 feet) end to end. Daily traffic averages 1,548 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 4/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How GRANITE ST compares

▼ 25.2
Load rating vs Maine average (39.1 t; 2,518 rated)
301
Bridges in Penobscot · 54 in Poor condition

Age against the county: built in 1937, earlier than 269 of Penobscot's 301 bridges with a recorded construction year (89%), against a county median build year of 1966. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

GRANITE ST 13.9 t
Maine average (2,518 rated) 39.1 t

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

GRANITE ST vs every rated Maine bridge

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

14 Top 97% higher than 3% 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
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
13.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Penobscot inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 301 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
1937
Material
Steel
Number of Spans
1
Structure Length
28.0 m (92 ft)
Deck Width
8.4 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,548 vehicles/day
Structure Number
0902

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

GRANITE ST is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare GRANITE ST against other structures in Penobscot 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 GRANITE ST?

GRANITE ST in Penobscot, Maine has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is GRANITE ST inspected?

GRANITE ST'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 1,548 vehicles per day.

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

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

What is the inventory load rating for GRANITE ST?

GRANITE ST has an NBI inventory load rating of 13.9 metric tons.

Who is responsible for maintaining GRANITE ST?

GRANITE ST is owned and maintained by State Highway Agency.

How old is GRANITE ST and does age affect safety?

GRANITE ST was built in 1937, making it 89 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.