FHWA NBI 2024 Inspection record Public-domain dataset

RD INV 3201031

Carrying RD INV 3201031 over MAIN CANAL

IMMED. WLY OF ROUTE 196, Androscoggin, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
39 t Inventory load rating Higher than 56% of rated Maine bridges

RD INV 3201031 in Androscoggin, Maine sits above 56% of rated Maine bridges on inventory load rating (39 t), while its 1973 build year is earlier than 44% of Androscoggin's recorded-year cohort (135 bridges).

RD INV 3201031 in Androscoggin, Maine is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1973, 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:1531

INTERSTATE-ERA · STEEL · SINGLE-SPAN · DECK-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard 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: RD INV 3201031

The RD INV 3201031 bridge in Androscoggin, Maine carries RD INV 3201031 over MAIN CANAL. It was built in 1973, making it 53 years old today. The structure is built primarily of steel and spans 1 section, stretching 32.2 meters (106 feet) end to end. Daily traffic averages 5,365 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 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How RD INV 3201031 compares

▼ 0.2
Load rating vs Maine average (39.1 t; 2,518 rated)
135
Bridges in Androscoggin · 14 in Poor condition

Age against the county: built in 1973, earlier than 60 of Androscoggin's 135 bridges with a recorded construction year (44%), against a county median build year of 1970. This is one of the newer structures in its county.

RD INV 3201031 38.9 t
Maine average (2,518 rated) 39.1 t

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

RD INV 3201031 vs every rated Maine bridge

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

39 Top 44% higher than 56% 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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
38.9 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.

Androscoggin inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 135 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
1973
Material
Steel
Number of Spans
1
Structure Length
32.2 m (106 ft)
Deck Width
9.7 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,365 vehicles/day
Structure Number
1531

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether RD INV 3201031 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 RD INV 3201031 against other structures in Androscoggin 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 RD INV 3201031?

RD INV 3201031 in Androscoggin, Maine has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RD INV 3201031 inspected?

RD INV 3201031'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 5,365 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RD INV 3201031 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 RD INV 3201031?

RD INV 3201031 has an NBI inventory load rating of 38.9 metric tons.

Who is responsible for maintaining RD INV 3201031?

RD INV 3201031 is owned and maintained by State Highway Agency.

How old is RD INV 3201031 and does age affect safety?

RD INV 3201031 was built in 1973, making it 53 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.